Patent US4958032A successfully refreshed from Google Patents.
US4958032A
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N-alkoxylated ether 2-pyrrolidones
Assignee: Siltech Corp
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Filing: 1989-04-05
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Granted: 1990-09-18
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Expires: 2009-04-05
Abstract
Abstract The present invention deals with the composition, and application of novel alkoxylated ether containing lactam compounds, useful as surface active agents. Compounds of this invention have emulsification, wetting, softening, anti-tangle, conditioning, complexation and solubilization properties. The compounds of the current invention conform to the following structure; ##STR1## wherein; R is an alkyl having from 10 to 36 carbon atoms; x, y and z are independently integers from 0 to 50, with the proviso that the sum of x+y+z be greater than zero.
Inventors
- 👤 Anthony J. O'Lenick, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:03
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/18; C07D207/22; C07D207/24; C07D207/26; C07D207/263; C07D207/27
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
44 words
A substituted lactam conforming to the following formula; ##STR10## wherein; R is a alkyl having from 10 to 36 carbon atoms; x, y and z are independently integers from 0 to 50, with the proviso that the sum of x+y+z be greater than zero.
Claim 2
Dependent Claim
44 words
A substituted lactam conforming to the following formula; ##STR10## wherein; R is a alkyl having from 10 to 36 carbon atoms; x, y and z are independently integers from 0 to 50, with the proviso that the sum of x+y+z be greater than zero.
Claim 3
Dependent Claim
25 words
A compound of claim 1 wherein R has 12 to 30 carbon atoms, and x, y and z are independently integers from 1 to 3.
Claim 4
Dependent Claim
14 words
A compound of claim 1 wherein R has from 12 to 26 carbon atoms.
Claim 5
Dependent Claim
9 words
A compound of claim 1 wherein R is ##STR11##
Claim 6
Dependent Claim
19 words
A compound of claim 1 wherein R is ##STR12## wherein a and b are integers from 6 to 17.
Claim 7
Dependent Claim
15 words
A compound of claim 1 wherein R is CH 3 --(CH 2 ) 11 --.
Claim 8
Dependent Claim
15 words
A compound of claim 1 wherein R is CH 3 --(CH 2 ) 17 --.
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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) | 1993-09-17 | 1994-03-19 | 1994-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-09-17 | 1998-03-19 | 1998-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-09-17 | 2002-03-19 | 2002-09-18 | $7700.00 | Window Closed / Lapsed |