US4299994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyoxyalkylene condensation products
Assignee: Sandoz Inc
•
Filing: 1980-02-06
•
Granted: 1981-11-10
•
Expires: 2000-02-06
Abstract
Abstract The invention relates to novel, polyoxyalkylene condensation products based on mixtures of primary, aliphatic alcohols, at least 70 mol % of which are branched 1-decanols, and to the use of these products as surface active agents.
Inventors
- 👤 Franklin H. Stahel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:49
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/04; C07C43/10; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/02
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
63 words
A mixture of compounds of formula I, R--OC.sub.3 H.sub.6).sub.m (OC.sub.2 H.sub.4).sub.n OH I wherein R is the residue of a mixture of primary, aliphatic alcohols, at least 70 mol% of which is branched 1-decanols, the remaining components consisting essentially of primary, aliphatic alcohols having an average of 8 to 12 carbon atoms, m is 1 to 4, and n is 3 to 20.
Claim 2
Dependent Claim
63 words
A mixture of compounds of formula I, R--OC.sub.3 H.sub.6).sub.m (OC.sub.2 H.sub.4).sub.n OH I wherein R is the residue of a mixture of primary, aliphatic alcohols, at least 70 mol% of which is branched 1-decanols, the remaining components consisting essentially of primary, aliphatic alcohols having an average of 8 to 12 carbon atoms, m is 1 to 4, and n is 3 to 20.
Claim 3
Dependent Claim
29 words
A mixture of compounds according to claim 1 wherein R is the residue of a mixture of primary, aliphatic alcohols, at least 90 mol% of which is branched 1-decanols.
Claim 4
Dependent Claim
49 words
A mixture of compounds according to claim 2 of formula Ia, R'--OC.sub.3 H.sub.6).sub.m' (OC.sub.2 H.sub.4).sub.n' OH Ia where R' is the residue of a mixture of primary, aliphatic alcohols, at least 95 mol% of which is branched 1-decanols, m' is 1 to 3, and n' is 3 to 15.
Claim 5
Dependent Claim
41 words
A mixture of compounds according to claim 3 of formula Ib, R"--OC.sub.3 H.sub.6).sub.m" (OC.sub.2 H.sub.4).sub.n" OH Ib where R" is the residue of a mixture of primary, aliphatic, branched 1-decanols, m" is 1 or 2, and n" is 3 to 10.
Claim 6
Dependent Claim
16 words
A mixture of compounds according to claim 4 wherein the major isomers of R" are trimethyl-1-heptanols.
Claim 7
Dependent Claim
14 words
A mixture of compounds according to claim 4 wherein n" is 3 to 7.
Claim 8
Dependent Claim
24 words
A mixture of compounds according to claim 3 of the formula R'--OC.sub.3 H.sub.6).sub.1.5 (OC.sub.2 H.sub.4).sub.5 OH where R' is as defined in claim 3.
Claim 9
Dependent Claim
24 words
A mixture of compounds according to claim 3 of the formula R'--OC.sub.3 H.sub.6 OC.sub.2 H.sub.4).sub.4 OH where R' is as defined in claim 3.
Claim 10
Dependent Claim
24 words
A mixture of compounds according to claim 3 of the formula R'--OC.sub.3 H.sub.6).sub.2 (OC.sub.2 H.sub.4).sub.4 OH where R' is as defined in claim 3.
Claim 11
Dependent Claim
24 words
A mixture of compounds according to claim 3 of the formula R'--OC.sub.3 H.sub.6).sub.2 (OC.sub.2 H.sub.4).sub.6 OH where R' is as defined in claim 3.
References Cited (Backward Citations)
DE2448388A1
Cited
US3956401A
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 |