Patent US4299975A successfully refreshed from Google Patents.
US4299975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfosuccinate emulsifiers
Assignee: Henkel AG and Co KGaA
•
Filing: 1979-12-26
•
Granted: 1981-11-10
•
Expires: 1999-12-26
Abstract
Abstract Sulfosuccinic acid derivatives having the formula: ##STR1## where R 1 is a member selected from the group consisting of hydrogen and alkyl having from 1 to 16 carbon atoms, R 2 is alkyl having from 1 to 16 carbon atoms, and the sum of the carbon atoms in R 1 and R 2 is from 9 to 16, R 3 is a member selected from the group consisting of hydrogen and methyl, M 1 and M 2 are cations selected from the group consisting of alkali metals, ammonium, alkylammonium having 1 to 4 carbon atoms in the alkyl and alkylolammonium having 2 to 4 carbon atoms in the alkylol and m is an integer from 1 to 10. These sulfosuccinic acid derivatives are useful as emulsifying agents, particularly in the production of freeze-stable emulsion polymers.
Inventors
- 👤 Adolf Asbeck
- 👤 Michael Eckelt
- 👤 Werner Erwied
- 👤 Rudi Heyden
- 👤 Manfred Petzold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:28
CPC Classifications
C; C07; C07C; C07C309/00; C08; C08F; C08F2/00; C08F2/12; C08F2/16; C08F2/22; C08F2/24; C08F2/26; Y; Y10; Y10S; Y10S516/00; Y10S516/905; Y10S516/909; Y10S516/91; Y10S516/913; Y10S526/00; Y10S526/911
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
141 words
Sulfosuccinic acid derivatives having the formula: ##STR10## where R is a member selected from the group consisting of: ##STR11## and (3) mixtures thereof, where most of said mixture consists of the derivative where R is formula (1), R 1 is a member selected from the group consisting of hydrogen and alkyl having from 1 to 16 carbon atoms, R 2 is alkyl having from 1 to 16 carbon atoms, and the sum of the carbon atoms in R 1 and R 2 is from 9 to 16, M 1 and M 2 are cations selected from the group consisting of alkali metals, ammonium, alkylammonium having 1 to 4 carbon atoms in the alkyl and alkylolammonium having 2 to 4 carbon atoms in the alkylol, m is an integer from 1 to 10, and n is an integer from 1 to 10.
Claim 2
Dependent Claim
141 words
Sulfosuccinic acid derivatives having the formula: ##STR10## where R is a member selected from the group consisting of: ##STR11## and (3) mixtures thereof, where most of said mixture consists of the derivative where R is formula (1), R 1 is a member selected from the group consisting of hydrogen and alkyl having from 1 to 16 carbon atoms, R 2 is alkyl having from 1 to 16 carbon atoms, and the sum of the carbon atoms in R 1 and R 2 is from 9 to 16, M 1 and M 2 are cations selected from the group consisting of alkali metals, ammonium, alkylammonium having 1 to 4 carbon atoms in the alkyl and alkylolammonium having 2 to 4 carbon atoms in the alkylol, m is an integer from 1 to 10, and n is an integer from 1 to 10.
Claim 3
Dependent Claim
16 words
The sulfosuccinic acid derivative of claim 1 wherein M 1 and M 2 are alkali metal.
Claim 4
Dependent Claim
33 words
The sulfosuccinic acid derivative of claim 1 wherein ##STR12## is derived from a non-terminal olefin having the approximate chain length distribution: C 11 =20% C 12 =30% C 13 =30% C 14 =20%.
Claim 5
Dependent Claim
33 words
The sulfosuccinic acid derivative of claim 1 wherein ##STR13## is derived from a non-terminal olefin having the approximate chain length distribution: C 15 =25% C 16 =30% C 17 =30% C 18 =15%.
Claim 6
Dependent Claim
15 words
The sulfosuccinic acid derivative of claim 1 wherein m is 1 and n is 0.
Claim 7
Dependent Claim
38 words
The sulfosuccinic derivative of claim 1 wherein R is formula (1), derived from a non-terminal olefin having the approximate chain length distribution: C 11 =20% C 12 =30% C 13 =30% C 14 =20% and m is 1.
Claim 8
Dependent Claim
13 words
The sulfosuccinic acid derivative of claim 5 where R is primarily formula (1).
Claim 9
Dependent Claim
39 words
The sulfosuccinic acid derivative of claim 1 wherein R is formula (1), derived from a terminal olefin having the approximate chain length distribution: C 15 =25% C 16 =30% C 17 =30% C 18 =15% and m is 1.
References Cited (Backward Citations)
FR1368880A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-11-09 | 1985-05-11 | 1985-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-11-09 | 1989-05-11 | 1989-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-11-09 | 1993-05-11 | 1993-11-10 | $7700.00 | Window Closed / Lapsed |