Patent US4313847A successfully refreshed from Google Patents.
US4313847A
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US
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Surfactant compositions
Assignee: Zeneca Inc
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Filing: 1979-05-25
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Granted: 1982-02-02
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Expires: 1999-05-25
Abstract
Abstract Surfactant compositions, which are particularly useful in the preparation of concentrated pesticide-containing formulations, are disclosed. The surfactant compositions contain (a) a polyoxyalkylene alkyl or alkylaryl ether phosphate ester, (b) a polyoxyalkylene alkyl amine, and (c) a material selected from the group consisting of nonionic polyoxyalkylated surfactants, polyhydric alcohol esters and polyoxyalkylene glycols.
Inventors
- 👤 David G. Chasin
- 👤 Thomas J. Zaucha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:50
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/30; C; C11; C11D; C11D1/00; C11D1/86; C11D1/02; C11D1/34; C11D1/345; C11D1/38; C11D1/42; C11D1/44; C11D1/66; C11D1/667; C11D1/72; C11D1/722; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
116 words
A surfactant composition comprising (a) a polyoxyethylene nonyl phenol phosphate ester, (b) a polyoxyethylene N,N-bis(2-hydroxyethyl) alkyl amine, wherein the alkyl contains from 12 to 18 carbon atoms, and (c) a polyoxyethylene castor oil, wherein the amount of the polyoxyethylene nonyl phenol phosphate ester component is equal to from about 60% to about 80% by weight based upon the total weight of the composition, the amount of the polyoxyethylene N,N-bis(2-hydroxyethyl)alkyl amine is equal to from about 14% to about 30% by weight based upon the total weight of the composition and the amount of the polyoxyethylene castor oil is equal to from about 5% to about 15% by weight based upon the total weight of the composition.
Claim 2
Dependent Claim
116 words
A surfactant composition comprising (a) a polyoxyethylene nonyl phenol phosphate ester, (b) a polyoxyethylene N,N-bis(2-hydroxyethyl) alkyl amine, wherein the alkyl contains from 12 to 18 carbon atoms, and (c) a polyoxyethylene castor oil, wherein the amount of the polyoxyethylene nonyl phenol phosphate ester component is equal to from about 60% to about 80% by weight based upon the total weight of the composition, the amount of the polyoxyethylene N,N-bis(2-hydroxyethyl)alkyl amine is equal to from about 14% to about 30% by weight based upon the total weight of the composition and the amount of the polyoxyethylene castor oil is equal to from about 5% to about 15% by weight based upon the total weight of the composition.
Claim 3
Dependent Claim
54 words
A surfactant composition, as claimed in claim 1, containing 67% by weight based upon the total weight of the composition of polyoxyethylene(8)nonyl phenol phosphate ester, 23% by weight based upon the total weight of the composition of polyoxyethylene(3)N,N-bis(2-hydroxyethyl)alkyl amine and 10% by weight based upon the total weight of the composition of polyoxyethylene(40)castor oil.
Claim 4
Dependent Claim
114 words
A surfactant composition comprising (a) a polyoxyethylene nonyl phenol phosphate ester, (b) N,N-bis(2-hydroxyethyl)alkyl amine wherein the alkyl portion contains from 12 to 18 carbon atoms, and (c) a polyoxyethylene polyoxypropylene block copolymer of butanol, wherein the amount of the polyoxyethylene nonyl phenol phosphate ester is equal to from about 20% to about 80% by weight based upon the total weight of the composition, the amount of the N,N-bis(2-hydroxyethyl)alkyl amine is equal to from about 14% to about 50% by weight based upon the total weight of the composition and the amount of copolymer of butanol is equal to from about 5% to about 50% by weight based upon the total weight of the composition.
Claim 5
Dependent Claim
114 words
A surfactant composition comprising (a) a polyoxyethylene nonyl phenol phosphate ester, (b) N,N-bis(2-hydroxyethyl)alkyl amine wherein the alkyl portion contains from 12 to 18 carbon atoms, and (c) a polyoxyethylene polyoxypropylene block copolymer of butanol, wherein the amount of the polyoxyethylene nonyl phenol phosphate ester is equal to from about 20% to about 80% by weight based upon the total weight of the composition, the amount of the N,N-bis(2-hydroxyethyl)alkyl amine is equal to from about 14% to about 50% by weight based upon the total weight of the composition and the amount of copolymer of butanol is equal to from about 5% to about 50% by weight based upon the total weight of the composition.
Claim 6
Dependent Claim
73 words
A surfactant composition, as claimed in claim 3, containing 42% by weight based upon the total weight of the composition of polyoxyethylene(8)nonyl phenol phosphate ester, 28% by weight based upon the total weight of the composition of N,N-bis(2-hydroxyethyl)C 14 -C 18 alkyl amine and 30% by weight based upon the total weight of the composition of a polyoxyethylene polyoxypropylene block copolymer of butanol having an average molecular weight of from 2,400 to 3,500.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-02-01 | 1985-08-03 | 1986-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-02-01 | 1989-08-03 | 1990-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-02-01 | 1993-08-03 | 1994-02-02 | $7700.00 | Window Closed / Lapsed |