Patent US4072857A successfully refreshed from Google Patents.
Patent US1577004A successfully refreshed from Google Patents.
Patent US5133908A successfully refreshed from Google Patents.
Patent US4124517A successfully refreshed from Google Patents.
US4124517A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry cleaning composition
Assignee: Daikin Industries Ltd
•
Filing: 1976-09-15
•
Granted: 1978-11-07
•
Expires: 1996-09-15
Abstract
Abstract A dry cleaning composition comprising as effective components a fluorine-containing hydrocarbon solvent and at least one surfactant selected from the group consisting of organic acid salts of monoamines represented by the formula <IMAGE> (I) wherein R1 is alkyl having 6 to 20 carbon atoms, R2 is hydrogen atom or CH3, m and n are each zero or an integer of 1 to 20, and are further defined by 3</=m + n</=20, R3 is hydrogen atom or alkyl having 6 to 20 carbon atoms when n is zero and R3 is hydrogen atom when m is 1 to 20, and organic acid salts of diamines represented by the formula <IMAGE> (II) wherein R2 is as defined above, R4 is alkyl having 6 to 20 carbon atoms, R5 is alkylene having 2 to 6 carbon atoms, l is zero or an integer of 1 to 20, m and n are as defined above, and 3</=l + m + n</=20.
Inventors
- 👤 Iwao Hisamoto
- 👤 Chiaki Maeda
- 👤 Takayuki Deguchi
- 👤 Yukio Omure
- 👤 Takasi Onishi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:15
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/38; C11D1/42; C11D1/44; D; D06; D06L; D06L1/00; D06L1/02; D06L1/04
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
195 words
A dry cleaning composition comprising an effective components a fluorine-containing hydrocarbon solvent and at least one surfactant dissolved in said solvent and selected from the group consisting of organic acid salts of monoamines represented by the formula ##STR16## wherein R 1 is alkyl having 6 to 20 carbon atoms, R 2 is hydrogen atom or CH 3 , m and n are each zero or an integer of 1 to 20, and are further defined by 3 ≦ m + n ≦ 20, R 3 is hydrogen atom or alkyl having 6 to 20 carbon atoms when n is zero and R 3 is hydrogen atom when m is 1 to 20, and organic acid salts of diamines represented by the formula ##STR17## wherein R 2 is as defined above, R 4 is alkyl having 6 to 20 carbon atoms, R 5 is alkylene having 2 to 6 carbon atoms, l is zero or an integer of 1 to 20, m and n are as defined above, and 3 ≦ l + m + n ≦ 20, said surfactant being present in an amount of from 0.05 to 5% by weight in the fluorine-containing solvent.
Claim 2
Dependent Claim
195 words
A dry cleaning composition comprising an effective components a fluorine-containing hydrocarbon solvent and at least one surfactant dissolved in said solvent and selected from the group consisting of organic acid salts of monoamines represented by the formula ##STR16## wherein R 1 is alkyl having 6 to 20 carbon atoms, R 2 is hydrogen atom or CH 3 , m and n are each zero or an integer of 1 to 20, and are further defined by 3 ≦ m + n ≦ 20, R 3 is hydrogen atom or alkyl having 6 to 20 carbon atoms when n is zero and R 3 is hydrogen atom when m is 1 to 20, and organic acid salts of diamines represented by the formula ##STR17## wherein R 2 is as defined above, R 4 is alkyl having 6 to 20 carbon atoms, R 5 is alkylene having 2 to 6 carbon atoms, l is zero or an integer of 1 to 20, m and n are as defined above, and 3 ≦ l + m + n ≦ 20, said surfactant being present in an amount of from 0.05 to 5% by weight in the fluorine-containing solvent.
Claim 3
Dependent Claim
18 words
A dry cleaning composition as defined in claim 1 wherein the concentration is 0.5 to 5% by weight.
Claim 4
Dependent Claim
27 words
A dry cleaning composition as defined in claim 1 wherein m and n in the formula (I) are defined by 5 ≦ m + n ≦ 15.
Claim 5
Dependent Claim
30 words
A dry cleaning composition as defined in claim 1 wherein at least one of l, m and n in the formula (II) is an integer of not smaller than 2.
Claim 6
Dependent Claim
30 words
A dry cleaning composition as defined in claim 1 wherein l, m and n in the formula (II) are defined by 5 ≦ l + m + n ≦ 15.
Claim 7
Dependent Claim
24 words
A dry cleaning composition as defined in claim 1 wherein the fluorine-containing hydrocarbon solvent is at least one of trichloromonofluoromethane, 1,1,2-trichloro-1,2,2-trifluoroethane, 1,1,2,2-tetrachlorodifluoroethane and 1,1-dichloro-2,2,2-trifluoroethane.
Claim 8
Dependent Claim
103 words
A dry cleaning composition as defined in claim 1 wherein said surfactant is at least one species selected from organic acid salts of monoamines represented by the formula ##STR18## wherein R 1 is alkyl having 6 to 20 carbon atoms, R 2 is hydrogen atom or CH 3 , m and n are each zero or an integer of 1 to 20, and are further defined by 3 ≦ m + n ≦ 20, R 3 is hydrogen atom or alkyl having 6 to 20 carbon atoms when n is zero and R 3 is hydrogen atom when m is 1 to 20.
Claim 9
Dependent Claim
83 words
A dry cleaning composition as defined in claim 1 wherein said surfactant is at least one species selected from organic acid salts of diamines represented by the formula ##STR19## wherein R 2 is as defined above, R 4 is alkyl having 6 to 20 carbon atoms, R 5 is alkylene having 2 to 6 carbon atoms, l is zero or an integer of 1 to 20, m and n are as defined above, and 3 ≦ l + m + n ≦ 20.
Claim 10
Dependent Claim
177 words
A dry cleaning composition as defined in claim 1 wherein said surfactant is a mixture of at least one species selected from organic acid salts of monoamines represented by the formula ##STR20## wherein R 1 is alkyl having 6 to 20 carbon atoms, R 2 is hydrogen atom or CH 3 , m and n are each zero or an integer of 1 to 20, and are further defined by 3 ≦ m + n ≦ 20, R 3 is hydrogen atom or alkyl having 6 to 20 carbon atoms when n is zero and R 3 is hydrogen atom when m is 1 to 20, and at least one species selected from organic acid salts of diamines represented by the formula ##STR21## wherein R 2 is as defined above, R 4 is alkyl having 6 to 20 carbon atoms, R 5 is alkylene having 2 to 6 carbon atoms, l is zero or an integer of 1 to 20, m and n are as defined above, and 3 ≦ l + m + n ≦ 20.
Claim 11
Dependent Claim
31 words
A dry cleaning composition as defined in claim 9 wherein the organic acid salt of monoamines is used in an amount of less than 60 weight % based on the mixture.
Claim 12
Dependent Claim
147 words
A dry cleaning composition as defined in claim 1 wherein the organic acid is at least one of the acids represented by the formulae: (i) R 6 COOH wherein R 6 is alkyl having 1 to 20 carbon atoms, (ii) ##STR22## wherein R 7 is alkyl having 1 to 20 carbon atoms, and p' is zero or an integer of 1 to 15, (iii) ##STR23## wherein R 8 is alkyl having 1 to 20 carbon atoms, (iv) ##STR24## wherein R 9 is alkyl having 1 to 20 carbon atoms, (v) R 10 (CH 2 CH 2 O) p' OSO 3 H wherein R 10 is alkyl having 1 to 20 carbon atoms, q' is zero or an integer of 1 to 15, and (vi) ##STR25## wherein R 11 is hydrogen atom or alkyl, and R 12 is hydrogen atom of alkyl having 1 to 3 carbon atoms.
Claim 13
Dependent Claim
60 words
A dry cleaning composition as defined in claim 11 wherein said organic acid is at least one of the acids represented by the formula ##STR26## wherein R 9 is alkyl having 1 to 20 carbon atoms, and ##STR27## wherein R 11 is hydrogen atom or alkyl, and R 12 is hydrogen atom or alkyl having 1 to 3 carbon atoms.
Claim 14
Dependent Claim
30 words
A dry cleaning composition as defined in claim 12 wherein said organic acid is represented by the formula ##STR28## wherein R 9 is alkyl having 1 to 20 carbon atoms.
Claim 15
Dependent Claim
48 words
A dry cleaning composition as defined in claim 13 wherein the amount of the sulfonate is less than 50% by weight based on the total amount of at least one of the organic acid salts of the amines represented by the formulae (I) and (II) and the sulfonate.
Claim 16
Dependent Claim
63 words
A dry cleaning composition as defined in claim 1 further containing a sulfonate represented by the formula R.sub.13 --SO.sub.3 M (III) wherein R 13 is alkyl having 1 to 20 carbon atoms, phenyl, alkyl-substituted phenyl, ##STR29## wherein R 14 is alkyl having 1 to 20 carbon atoms, and M is alkali metal or ammonium salt, q is an integer of 1 to 20.
Claim 17
Dependent Claim
18 words
A dry cleaning composition as defined in claim 15 wherein said sulfonate is sodium di(2-ethylhexyl)sulfosuccinate and/or sodium dodecylbenzenesulfonate.
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) | 1981-11-06 | 1982-05-08 | 1982-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-11-06 | 1986-05-08 | 1986-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-11-06 | 1990-05-08 | 1990-11-07 | $7700.00 | Window Closed / Lapsed |