← Back to Patent Explorer
US4069158A Expired / Lapsed US ⏱️ 0.0 years remaining

Fire extinguishing compositions

Assignee: Produits Chimiques Ugine Kuhlmann
•
Filing: 1976-04-21
•
Granted: 1978-01-17
•
Expires: 1996-04-21
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Aqueous fire-extinguishing compositions comprising a mixture of (1) a nonionic surface-active agent, (2) a amphoteric surface active agent and (3) a fluorinated cationic surface active agent containing as a part of the molecule an aromatic radical.

Inventors

  • 👤 Rene Bertocchio
  • 👤 Louis Foulletier

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:52
CPC Classifications
A; A62; A62D; A62D1/00; A62D1/0071; A62D1/0085; A62D1/0028; A62D1/0035; A62D1/0042; A62D1/0064; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/06

Claims Analysis

Total Claims: 29
Claim 1
Independent Claim 92 words
An aqueous fire-extinguishing composition comprising an aqueous solution of a mixture of (a) from about 5 to 45 percent of a nonionic surface-active agent, (b) from about 5 to 55 percent of a fluorinated amphoteric surface active agent, and (c) from about 30 to 60 percent of a cationic aromatic fluorinated surface-active agent of formula ##STR19## in which; C n F 2n+1 represents a straight or branched perfluoro chain were n is a whole number between 1 and about 20; A is an anion; R', R" and R"' are defined as follows:
Claim 2
Dependent Claim 92 words
An aqueous fire-extinguishing composition comprising an aqueous solution of a mixture of (a) from about 5 to 45 percent of a nonionic surface-active agent, (b) from about 5 to 55 percent of a fluorinated amphoteric surface active agent, and (c) from about 30 to 60 percent of a cationic aromatic fluorinated surface-active agent of formula ##STR19## in which; C n F 2n+1 represents a straight or branched perfluoro chain were n is a whole number between 1 and about 20; A is an anion; R', R" and R"' are defined as follows:
Claim 3
Dependent Claim 133 words
R' and R" may be identical or different, and are alkyl radicals containing 1 to 8 carbon atoms, and wherein R'" is an aryl radical or an arylalkyl radical containing 1 to 8 carbon atoms in the alkyl chain, or the aromatic derivative of a hydroxyalkyl radical containing between 1 and about 8 carbon atoms; 2. R' is an alkyl radical containing 1 to 8 carbon atoms, and R" and R'" together constitute a divalent radical linked to the nitrogen atom by two single bonds derived from alkyl, alkenyl or dienic groups containing 4 to 9 atoms and carrying or containing aromatic substituents or radical; 3. R', R" and R'" together constitute the residual part of a tertiary aromatic amine derived from pyridine or pyridine derivatives and containing 5 to 18 carbon atoms.
Claim 4
Dependent Claim 133 words
R' and R" may be identical or different, and are alkyl radicals containing 1 to 8 carbon atoms, and wherein R'" is an aryl radical or an arylalkyl radical containing 1 to 8 carbon atoms in the alkyl chain, or the aromatic derivative of a hydroxyalkyl radical containing between 1 and about 8 carbon atoms; 2. R' is an alkyl radical containing 1 to 8 carbon atoms, and R" and R'" together constitute a divalent radical linked to the nitrogen atom by two single bonds derived from alkyl, alkenyl or dienic groups containing 4 to 9 atoms and carrying or containing aromatic substituents or radical; 3. R', R" and R'" together constitute the residual part of a tertiary aromatic amine derived from pyridine or pyridine derivatives and containing 5 to 18 carbon atoms.
Claim 5
Dependent Claim 17 words
The composition of claim 1 in which the nonionic surface-active agent is a fluorinated nonionic surface-active agent.
Claim 6
Dependent Claim 28 words
The composition of claim 1 in which the composition contains less than about 5 percent of the total composition of the mixture of agents (a), (b) and (c).
Claim 7
Dependent Claim 30 words
The composition of claim 3 in which the composition contains from 0.5 to 2 percent by weight of the total composition of the mixture of agents (a), (b) and (c).
Claim 8
Dependent Claim 247 words
An aqueous surface-active composition having a high spreading velocity on hydrocarbons, comprising an aqueous solution of a. from about 5 to 55 percent of a fluorinated amphoteric surface-active compound of formula ##STR20## wherein n is a whole number comprised between 1 and 20; a is a number comprised between 2 and 10; X is a functional group CO or SO 2 ; R 1 is a hydrogen atom or an alkyl radical containing 1 to 6 carbon atoms; R 2 and R 3 are alkyl radicals containing 1 to 3 carbon atoms, at least one of these radicals being methyl; p and q are numbers comprised between 1 and 10; b. from about 5 to 45 percent of a nonionic surfaceactive compound C.sub.n F.sub.2n+1 -- (CH.sub.2).sub.a -- (Y).sub.b -- (O -- C.sub.2 H.sub.4).sub.m OR.sub.4 wherein n and a have the same meaning as above; Y represents the CO group; b is a number equal to 0 or 1; m is a whole number comprised between 1 and 20; R 4 is a hydrogen atom or an alkyl radical containing 1 to 6 carbon atoms in the case where b is equal to 1; and c. from about 30 to 60 percent of a cationic aromatic fluorinated surface-active agent of formula ##STR21## in which; C n F 2n+1 represents a straight or branched perfluoro chain where n is a whole number between 1 and about 20; A is an anion; R', R" and R"' are defined as follows:
Claim 9
Dependent Claim 247 words
An aqueous surface-active composition having a high spreading velocity on hydrocarbons, comprising an aqueous solution of a. from about 5 to 55 percent of a fluorinated amphoteric surface-active compound of formula ##STR20## wherein n is a whole number comprised between 1 and 20; a is a number comprised between 2 and 10; X is a functional group CO or SO 2 ; R 1 is a hydrogen atom or an alkyl radical containing 1 to 6 carbon atoms; R 2 and R 3 are alkyl radicals containing 1 to 3 carbon atoms, at least one of these radicals being methyl; p and q are numbers comprised between 1 and 10; b. from about 5 to 45 percent of a nonionic surfaceactive compound C.sub.n F.sub.2n+1 -- (CH.sub.2).sub.a -- (Y).sub.b -- (O -- C.sub.2 H.sub.4).sub.m OR.sub.4 wherein n and a have the same meaning as above; Y represents the CO group; b is a number equal to 0 or 1; m is a whole number comprised between 1 and 20; R 4 is a hydrogen atom or an alkyl radical containing 1 to 6 carbon atoms in the case where b is equal to 1; and c. from about 30 to 60 percent of a cationic aromatic fluorinated surface-active agent of formula ##STR21## in which; C n F 2n+1 represents a straight or branched perfluoro chain where n is a whole number between 1 and about 20; A is an anion; R', R" and R"' are defined as follows:
Claim 10
Dependent Claim 133 words
R' and R" may be identical or different, and are alkyl radicals containing 1 to 8 carbon atoms, and wherein R"' is an aryl radical or an arylalkyl radical containing 1 to 8 carbon atoms in the alkyl chain, or the aromatic derivative of a hydroxyalkyl radical containing between 1 and about 8 carbon atoms; 2. R' is an alkyl radical containing 1 to 8 carbon atoms, and R" and R"' together constitute a divalent radical linked to the nitrogen atom by two single bonds derived from alkyl, alkenyl or dienic groups containing 4 to 9 atoms and carrying or containing aromatic substituents or radicals; 3. R', R" and R"' together constitute the residual part of a tertiary aromatic amine derived from pyridine or pyridine derivatives and containing 5 to 18 carbon atoms.
Claim 11
Dependent Claim 133 words
R' and R" may be identical or different, and are alkyl radicals containing 1 to 8 carbon atoms, and wherein R"' is an aryl radical or an arylalkyl radical containing 1 to 8 carbon atoms in the alkyl chain, or the aromatic derivative of a hydroxyalkyl radical containing between 1 and about 8 carbon atoms; 2. R' is an alkyl radical containing 1 to 8 carbon atoms, and R" and R"' together constitute a divalent radical linked to the nitrogen atom by two single bonds derived from alkyl, alkenyl or dienic groups containing 4 to 9 atoms and carrying or containing aromatic substituents or radicals; 3. R', R" and R"' together constitute the residual part of a tertiary aromatic amine derived from pyridine or pyridine derivatives and containing 5 to 18 carbon atoms.
Claim 12
Dependent Claim 40 words
Composition according to claim 5 wherein the residual part of the tertiary aromatic amine is derived from C 5 H 5 (pyridine), C 9 H 7 (quinoline and isoquiniline), C 6 H 8 (picolines) or C 13 H 9 (acridine).
Claim 13
Dependent Claim 16 words
Composition according to claim 5 wherein the cationic aromatic fluorinated surface-active agent has the formula ##STR22##
Claim 14
Dependent Claim 242 words
A fire extinguishing surface-active composition comprising the combination of a. from about 5 to 55 percent of a fluorinated amphoteric surface-active compound of formula ##STR23## wherein n is a whole number comprised between 1 and 20; a is a number comprised between 2 and 10; X is a functional group CO or SO 2 ; R 1 is a hydrogen atom or an alkyl radical containing 1 to 6 carbon atoms; R 2 and R 3 are alkyl radicals containing 1 to 3 carbon atoms, at least one of these radicals being methyl; p and i q are numbers comprised between 1 and 10; b. from about 5 to 45 percent of a nonionic surface-active compound C.sub.n F.sub.2n+1 -- (CH.sub.2).sub.a -- (Y).sub.b -- (O -- C.sub.2 H.sub.4).sub.m OR .sub.4 wherein n and a have the same meaning as above; Y represents the CO group; b is a number equal to 0 or 1; m is a whole number comprised between 1 and 20; R 4 is a hydrogen atom or an alkyl radical containing 1 to 6 carbon atoms in the case where b is equal to 1; and c. from about 30 to 60 percent of a cationic aromatic fluorinated surface-active agent of formula ##STR24## in which; C n F 2n+1 represents a straight or branched perfluoro chain where n is a whole number between 1 and about 20; A is an anion; R', R" and R"' are defined as follows:
Claim 15
Dependent Claim 242 words
A fire extinguishing surface-active composition comprising the combination of a. from about 5 to 55 percent of a fluorinated amphoteric surface-active compound of formula ##STR23## wherein n is a whole number comprised between 1 and 20; a is a number comprised between 2 and 10; X is a functional group CO or SO 2 ; R 1 is a hydrogen atom or an alkyl radical containing 1 to 6 carbon atoms; R 2 and R 3 are alkyl radicals containing 1 to 3 carbon atoms, at least one of these radicals being methyl; p and i q are numbers comprised between 1 and 10; b. from about 5 to 45 percent of a nonionic surface-active compound C.sub.n F.sub.2n+1 -- (CH.sub.2).sub.a -- (Y).sub.b -- (O -- C.sub.2 H.sub.4).sub.m OR .sub.4 wherein n and a have the same meaning as above; Y represents the CO group; b is a number equal to 0 or 1; m is a whole number comprised between 1 and 20; R 4 is a hydrogen atom or an alkyl radical containing 1 to 6 carbon atoms in the case where b is equal to 1; and c. from about 30 to 60 percent of a cationic aromatic fluorinated surface-active agent of formula ##STR24## in which; C n F 2n+1 represents a straight or branched perfluoro chain where n is a whole number between 1 and about 20; A is an anion; R', R" and R"' are defined as follows:
Claim 16
Dependent Claim 133 words
R' and R" may be identified or different, and are alkyl radicals containing 1 to 8 carbon atoms, and wherein R"' is an aryl radical or an arylalkyl radical containing 1 to 8 carbon atoms in the alkyl chain, or the aromatic derivative of a hydroxyalkyl radical containing between 1 and about 8 carbon atoms; 2. R' is an alkyl radical containing 1 to 8 carbon atoms, and R" and R"' together constitute a divalent radical linked to the nitrogen atom by two single bonds derived from alkyl, alkenyl or dienic groups containing 4 to 9 atoms and carrying or containing aromatic substituents or radicals; 3. R', R" and R"' together constitute the residual part of a tertiary aromatic amine derived from pyridine or pyridine derivatives and containing 5 to 18 carbon atoms.
Claim 17
Dependent Claim 133 words
R' and R" may be identified or different, and are alkyl radicals containing 1 to 8 carbon atoms, and wherein R"' is an aryl radical or an arylalkyl radical containing 1 to 8 carbon atoms in the alkyl chain, or the aromatic derivative of a hydroxyalkyl radical containing between 1 and about 8 carbon atoms; 2. R' is an alkyl radical containing 1 to 8 carbon atoms, and R" and R"' together constitute a divalent radical linked to the nitrogen atom by two single bonds derived from alkyl, alkenyl or dienic groups containing 4 to 9 atoms and carrying or containing aromatic substituents or radicals; 3. R', R" and R"' together constitute the residual part of a tertiary aromatic amine derived from pyridine or pyridine derivatives and containing 5 to 18 carbon atoms.
Claim 18
Dependent Claim 20 words
Composition according to claim 8 wherein the nonionic fluorinated surface-active compound is replaced by a nonionic, non-fluorinated aromatic surface-active compound.
Claim 19
Dependent Claim 52 words
Composition according to claim 8 wherein the amphoteric compound is the derivative C.sub.6 F.sub.13 C.sub.2 H.sub.4 SO.sub.2 NH -- (CH.sub.2).sub.3 N.sup.+ (CH.sub.3).sub.2 -- CH.sub.2 -- CH.sub.2 -- COO.sup.- the nonionic compound is the derivative C.sub.6 F.sub.13 C.sub.2 H.sub.4 -- O (C.sub.2 H.sub.4 O).sub.12 H and the cationic compound is the derivative ##STR25##
Claim 20
Independent Claim 112 words
The method of extinguishing fires which comprises subjecting a fire to a composition comprising the combination of a. from about 5 to 55 percent of a fluorinated amphoteric surface-active compound of formula ##STR26## wherein n is a whole number comprised between 1 and 20; a is a number comprised between 2 and 10; X is a functional group CO or or SO 2 ; R 1 is a hydrogen atom or an alkyl radical containing 1 to 6 carbon atoms; R 2 and R 3 are alkyl radicals containing 1 to 3 carbon atoms, at least one of these radicals being methyl; p and q are numbers comprised between 1 and 10;
Claim 21
Independent Claim 112 words
The method of extinguishing fires which comprises subjecting a fire to a composition comprising the combination of a. from about 5 to 55 percent of a fluorinated amphoteric surface-active compound of formula ##STR26## wherein n is a whole number comprised between 1 and 20; a is a number comprised between 2 and 10; X is a functional group CO or or SO 2 ; R 1 is a hydrogen atom or an alkyl radical containing 1 to 6 carbon atoms; R 2 and R 3 are alkyl radicals containing 1 to 3 carbon atoms, at least one of these radicals being methyl; p and q are numbers comprised between 1 and 10;
Claim 22
Dependent Claim 137 words
b. from about 5 to 45 percent of a nonionic surface-active compound C.sub.n F.sub.2n+1 -- (CH.sub.2).sub.a -- (Y).sub.b -- (O -- C.sub.2 H.sub.4).sub.m OR.sub.4 wherein n and a have the same meaning as above; Y represents the CO group; b is a number equal to 0 or 1; m is a whole number comprised between 1 and 20; R 4 is a hydrogen atom or an alkyl radical containing 1 to 6 carbon atoms in the case where b is equal to 1; and c. from about 30 to 60 percent of a cationic aromatic fluorinated surface-active agent of formula ##STR27## in which; C n F 2n+1 represents a straight or branched perfluoro chain where n is a whole number between 1 and about 20; A is an anion; R', R" and R"' are defined as follows:
Claim 23
Dependent Claim 137 words
b. from about 5 to 45 percent of a nonionic surface-active compound C.sub.n F.sub.2n+1 -- (CH.sub.2).sub.a -- (Y).sub.b -- (O -- C.sub.2 H.sub.4).sub.m OR.sub.4 wherein n and a have the same meaning as above; Y represents the CO group; b is a number equal to 0 or 1; m is a whole number comprised between 1 and 20; R 4 is a hydrogen atom or an alkyl radical containing 1 to 6 carbon atoms in the case where b is equal to 1; and c. from about 30 to 60 percent of a cationic aromatic fluorinated surface-active agent of formula ##STR27## in which; C n F 2n+1 represents a straight or branched perfluoro chain where n is a whole number between 1 and about 20; A is an anion; R', R" and R"' are defined as follows:
Claim 24
Dependent Claim 133 words
R' and R" may be identical or different, and are alkyl radicals containing 1 to 8 carbon atoms, and wherein R"' is an aryl radical or an arylalkyl radical containing 1 to 8 carbon atoms in the alkyl chain, or the aromatic derivative of a hydroxyalkyl radical containing between 1 and about 8 carbon atoms; 2. R' is an alkyl radical containing 1 to 8 carbon atoms, and R" and R"' together constitute a divalent radical linked to the nitrogen atom by two single bonds derived from alkyl, alkenyl or dienic groups containing 4 to 9 atoms and carrying or containing aromatic substituents or radicals; 3. R', R" and R"' together constitute the residual part of a tertiary aromatic amine derived from pyridine or pyridine derivatives and containing 5 to 18 carbon atoms.
Claim 25
Dependent Claim 133 words
R' and R" may be identical or different, and are alkyl radicals containing 1 to 8 carbon atoms, and wherein R"' is an aryl radical or an arylalkyl radical containing 1 to 8 carbon atoms in the alkyl chain, or the aromatic derivative of a hydroxyalkyl radical containing between 1 and about 8 carbon atoms; 2. R' is an alkyl radical containing 1 to 8 carbon atoms, and R" and R"' together constitute a divalent radical linked to the nitrogen atom by two single bonds derived from alkyl, alkenyl or dienic groups containing 4 to 9 atoms and carrying or containing aromatic substituents or radicals; 3. R', R" and R"' together constitute the residual part of a tertiary aromatic amine derived from pyridine or pyridine derivatives and containing 5 to 18 carbon atoms.
Claim 26
Independent Claim 250 words
The method of forming fluorinated films impermeable to hydrocarbon vapors and simultaneously exhibiting a high spreading velocity and high resistance to mechanical stresses comprising applying on a liquid hydrocarbon surface a surface-active composition comprising the combination of three fluorinated surface-active agents; a. a fluorinated amphoteric surface-active compound of formula ##STR28## wherein n is a whole number comprised between 1 and 20; a is number comprised between 2 and 10; X is a functional group CO or SO 2 ; R 1 is a hydrogen atom or an alkyl radical containing 1 to 3 carbon atoms, R 2 and R 3 are alkyl radicals containing 1 to 3 carbon atoms, at least one of these radicals being methyl; p and q are numbers comprised between 1 and 10; b. a nonionic surface-active compound C.sub.n F.sub.2n+1 -- (CH.sub.2).sub.a -- (Y).sub.b -- (O -- C.sub.2 H.sub.4).sub.m OR.sub.4 wherein n and a have the same meaning as above; Y represents the CO group; b is a number equal to 0 or 1; m is a whole number comprised between 1 and 20; R 4 is a hydrogen atom or an alkyl radical containing 1 to 6 carbon atoms in the case where b is equal to 1; and contains a cationic aromatic fluorinated surface-active agent of formula ##STR29## in which; C n F 2n+1 represents a straight or branched perfluoro chain where n is a whole number between 1 and about 20; A is an anion; R', R" and R"', are defined as follows:
Claim 27
Independent Claim 250 words
The method of forming fluorinated films impermeable to hydrocarbon vapors and simultaneously exhibiting a high spreading velocity and high resistance to mechanical stresses comprising applying on a liquid hydrocarbon surface a surface-active composition comprising the combination of three fluorinated surface-active agents; a. a fluorinated amphoteric surface-active compound of formula ##STR28## wherein n is a whole number comprised between 1 and 20; a is number comprised between 2 and 10; X is a functional group CO or SO 2 ; R 1 is a hydrogen atom or an alkyl radical containing 1 to 3 carbon atoms, R 2 and R 3 are alkyl radicals containing 1 to 3 carbon atoms, at least one of these radicals being methyl; p and q are numbers comprised between 1 and 10; b. a nonionic surface-active compound C.sub.n F.sub.2n+1 -- (CH.sub.2).sub.a -- (Y).sub.b -- (O -- C.sub.2 H.sub.4).sub.m OR.sub.4 wherein n and a have the same meaning as above; Y represents the CO group; b is a number equal to 0 or 1; m is a whole number comprised between 1 and 20; R 4 is a hydrogen atom or an alkyl radical containing 1 to 6 carbon atoms in the case where b is equal to 1; and contains a cationic aromatic fluorinated surface-active agent of formula ##STR29## in which; C n F 2n+1 represents a straight or branched perfluoro chain where n is a whole number between 1 and about 20; A is an anion; R', R" and R"', are defined as follows:
Claim 28
Dependent Claim 133 words
R' and R" may be identical or different, and are alkyl radicals containing 1 to 8 carbon atoms, and wherein R"' is an aryl radical or an arylalkyl radical containing 1 to 8 carbon atoms in the alkyl chain, or the aromatic derivative of a hydroxyalkyl radical containing between 1 and about 8 carbon atoms; 2. R' is an alkyl radical containing 1 to 8 carbon atoms, and R" and R"' together constitute a divalent radical linked to the nitrogen atom by two single bonds derived from alkyl, alkenyl or dienic groups containing 4 to 9 atoms and carrying or containing aromatic substituents or radical; 3. R', R" and R"' together constitute the residual part of a tertiary aromatic amine derived from pyridine or pyridine derivatives and containing 5 to 18 carbon atoms.
Claim 29
Dependent Claim 133 words
R' and R" may be identical or different, and are alkyl radicals containing 1 to 8 carbon atoms, and wherein R"' is an aryl radical or an arylalkyl radical containing 1 to 8 carbon atoms in the alkyl chain, or the aromatic derivative of a hydroxyalkyl radical containing between 1 and about 8 carbon atoms; 2. R' is an alkyl radical containing 1 to 8 carbon atoms, and R" and R"' together constitute a divalent radical linked to the nitrogen atom by two single bonds derived from alkyl, alkenyl or dienic groups containing 4 to 9 atoms and carrying or containing aromatic substituents or radical; 3. R', R" and R"' together constitute the residual part of a tertiary aromatic amine derived from pyridine or pyridine derivatives and containing 5 to 18 carbon atoms.

References Cited (Backward Citations)

US3258423A Cited
US3257407A Cited
US3772195A Cited
US3941705A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-01-16 1981-07-18 1982-01-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-01-16 1985-07-18 1986-01-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-01-16 1989-07-18 1990-01-17 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag