Patent US4040977A successfully refreshed from Google Patents.
US4040977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preservative and disinfectant
Assignee: STWB Inc
•
Filing: 1976-04-05
•
Granted: 1977-08-09
•
Expires: 1996-04-05
Abstract
Abstract The invention relates to preservative and disinfecting compositions for aqueous emulsions, suspensions and solutions which are obtained by reaction in water of a haloacetamide or thiocyanoacetamide or mixture thereof; an alcohol or mixture of alcohols; and formaldehyde.
Inventors
- 👤 Heinz Eggensperger
- 👤 Karl-Heinz Diehl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:45
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/14; A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/42; A61K8/46; A61Q; A61Q17/00; A61Q17/005; C02; C02F; C02F1/00; C02F1/50; A61K2800/00; A61K2800/40; A61K2800/52; A61K2800/524
Claims Analysis
Total Claims: 31
Claim 1
Independent Claim
109 words
An aqueous preservative and disinfectant composition comprising acetamide-alcohol-formaldehyde condensation products prepared by reacting in water, in the presence of a basic catalyst in an amount sufficient to catalyze the condensation and for a time and at a temperature sufficient to form the condensation products, (a) an acetamide selected from 2-haloacetamide, thiocyanoacetamide and mixtures of said acetamides; (b) an alcohol selected from saturated alkanols, unsaturated alkanols, cycloalkanols, aralkanols unsubstituted on aryl or substituted on aryl by one or two halo substituents, aroxyalkanols, lower-alkoxyalkanols, diethylene glycol mono-lower-alkyl ethers, triethylene glycol, alkanols substituted by one or two substituents selected from bromo and chloro, nitroalkanols, and mixtures of said alcohols; and (c) formaldehyde.
Claim 2
Dependent Claim
109 words
An aqueous preservative and disinfectant composition comprising acetamide-alcohol-formaldehyde condensation products prepared by reacting in water, in the presence of a basic catalyst in an amount sufficient to catalyze the condensation and for a time and at a temperature sufficient to form the condensation products, (a) an acetamide selected from 2-haloacetamide, thiocyanoacetamide and mixtures of said acetamides; (b) an alcohol selected from saturated alkanols, unsaturated alkanols, cycloalkanols, aralkanols unsubstituted on aryl or substituted on aryl by one or two halo substituents, aroxyalkanols, lower-alkoxyalkanols, diethylene glycol mono-lower-alkyl ethers, triethylene glycol, alkanols substituted by one or two substituents selected from bromo and chloro, nitroalkanols, and mixtures of said alcohols; and (c) formaldehyde.
Claim 3
Dependent Claim
49 words
A composition according to claim 1 wherein (b) is selected from saturated alkanols, unsaturated alkanols, phenylalkanols unsubstituted on phenyl or substituted on phenyl by one or two halo substituents, diethylene glycol mono-lower-alkyl ethers, triethylene glycol, alkanols substituted by a bromo or chloro substituent, nitroalkanols, and mixtures of said alcohols.
Claim 4
Dependent Claim
28 words
A composition according to claim 2 wherein (a), (b) and (c) are reacted in a molar ratio of about 1 : (1.6 to 3) : (1.9 to 6).
Claim 5
Dependent Claim
14 words
A composition according to claim 3 wherein (a) is 2-chloroacetamide, thiocyanoacetamide or mixtures thereof.
Claim 6
Dependent Claim
21 words
A composition according to claim 4 wherein (a) is 2-chloroacetamide and (b) is a mixture of benzyl alcohol and triethylene glycol.
Claim 7
Dependent Claim
15 words
A composition according to claim 4 wherein (a) is 2-chloroacetamide; and (b) is triethylene glycol.
Claim 8
Dependent Claim
54 words
A composition according to claim 1 wherein (b) is selected from saturated alkanols, unsaturated alkanols, cycloalkanols, aralkanols unsubstituted on aryl or substituted on aryl by one or two halo substituents, aroxyalkanols, lower-alkoxyalkanols, diethylene glycol mono-lower-alkyl ethers, alkanols substituted by one or two substituents selected from bromo and chloro, nitroalkanols, and mixtures of said alcohols.
Claim 9
Dependent Claim
47 words
A composition according to claim 7 wherein (b) is selected from saturated alkanols, unsaturated alkanols, phenylalkanols unsubstituted on phenyl or substituted on phenyl by one or two halo substituents; diethylene glycol mono-lower-alkyl ethers, alkanols substituted by a bromo or chloro substituent, nitroalkanols, and mixtures of said alcohols.
Claim 10
Dependent Claim
28 words
A composition according to claim 8 wherein (a), (b) and (c) are reacted in a molar ratio of about 1 : (1.7 to 3) : (3 to 5).
Claim 11
Dependent Claim
14 words
A composition according to claim 9 wherein (a) is 2-chloroacetamide, thiocyanoacetamide or mixtures thereof.
Claim 12
Dependent Claim
23 words
A composition according to claim 10 wherein (a) is 2-chloroacetamide; and (b) is a mixture of benzyl alcohol and diethylene glycol monobutyl ether.
Claim 13
Dependent Claim
20 words
A composition according to claim 10 wherein (a) is 2-chloroacetamide; and (b) is a mixture of octanol and 2,4-dichlorobenzyl alcohol.
Claim 14
Dependent Claim
23 words
A composition according to claim 10 wherein (a) is 2-chloroacetamide; and (b) is a mixture of allyl alcohol and diethylene glycol monobutyl ether.
Claim 15
Dependent Claim
23 words
A composition according to claim 10 wherein (a) is 2-chloroacetamide; and (b) is a mixture of phenylpropanol, 4-chlorobutanol and diethylene glycol monobutyl ether.
Claim 16
Dependent Claim
19 words
A composition according to claim 10 wherein (a) is thiocyanoacetamide; and (b) is a mixture of 2-ethylhexanol and 2-nitropropanol.
Claim 17
Dependent Claim
41 words
A method for preserving and disinfecting aqueous solutions, emulsions, dispersions and suspensions susceptible to deterioration due to microbial contamination which comprises adding to said aqueous solutions, emulsions, dispersions and suspensions an antimicrobial effective amount of a composition according to claim 1.
Claim 18
Dependent Claim
49 words
A method according to claim 16 wherein (b) is selected from saturated alkanols, unsaturated alkanols, phenylalkanols unsubstituted on phenyl or substituted on phenyl by one or two halo substituents, diethylene glycol mono-lower-alkyl ethers, triethylene glycol, alkanols substituted by a bromo or chloro substituent, nitroalkanols, and mixtures of said alcohols.
Claim 19
Dependent Claim
28 words
A method according to claim 17 wherein (a), (b) and (c) are reacted in a molar ratio of about 1 : (1.6 to 3) : (1.9 to 6).
Claim 20
Dependent Claim
14 words
A method according to claim 18 wherein (a) is 2-chloroacetamide, thiocyanoacetamide or mixtures thereof.
Claim 21
Dependent Claim
21 words
A method according to claim 19 wherein (a) is 2-chloroacetamide; and (b) is a mixture of benzyl alcohol and triethylene glycol.
Claim 22
Dependent Claim
15 words
A method according to claim 19 wherein (a) is 2-chloroacetamide; and (b) is triethylene glycol.
Claim 23
Dependent Claim
54 words
A method according to claim 16 wherein (b) is selected from saturated alkanols, unsaturated alkanols, cycloalkanols, aralkanols unsubstituted on aryl or substituted on aryl by one or two halo substituents, aroxyalkanols, lower-alkoxyalkanols, diethylene glycol mono-lower-alkyl ethers, alkanols substituted by one or two substituents selected from bromo and chloro, nitroalkanols, and mixtures of said alcohols.
Claim 24
Dependent Claim
47 words
A method according to claim 22 wherein (b) is selected from saturated alkanols, unsaturated alkanols, phenylalkanols unsubstituted on phenyl or substituted on phenyl by one or two halo substituents, diethylene glycol mono-lower-alkyl ethers, alkanols substituted by a bromo or chloro substituent, nitroalkanols, and mixtures of said alcohols.
Claim 25
Dependent Claim
28 words
A method according to claim 23 wherein (a), (b) and (c) are reacted in a molar ratio of about 1 : (1.7 to 3) : (3 to 5).
Claim 26
Dependent Claim
14 words
A method according to claim 24 wherein (a) is 2-chloroacetamide, thiocyanoacetamide or mixtures thereof.
Claim 27
Dependent Claim
23 words
A method according to claim 25 wherein (a) is 2-chloroacetamide; and (b) is a mixture of benzyl alcohol and diethylene glycol monobutyl ether.
Claim 28
Dependent Claim
20 words
A method according to claim 25 wherein (a) is 2-chloroacetamide; and (b) is a mixture of octanol and 2,4-dichlorobenzyl alcohol.
Claim 29
Dependent Claim
23 words
A method according to claim 25 wherein (a) is 2-chloroacetamide; and (b) is a mixture of allyl alcohol and diethylene glycol monobutyl ether.
Claim 30
Dependent Claim
23 words
A method according to claim 25 wherein (a) is 2-chloroacetamide; and (b) is a mixture of phenylpropanol, 4-chlorobutanol and diethylene glycol monobutyl ether.
Claim 31
Dependent Claim
19 words
A method according to claim 25 wherein (a) is thiocyanoacetamide; and (b) is a mixture of 2-ethylhexanol and 2-nitropropanol.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-08-08 | 1981-02-07 | 1981-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-08-08 | 1985-02-07 | 1985-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-08-08 | 1989-02-07 | 1989-08-09 | $7700.00 | Window Closed / Lapsed |