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US5185170A
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Copolymer of vinyl pyrrolidone and a C30 alpha-olefin in flake or powder form, process for making same, and personnal care compositions therewith
Assignee: ISP CAPITAL Inc
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Filing: 1992-07-10
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Granted: 1993-02-09
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Expires: 2012-07-10
Abstract
Abstract Ganex® copolymers in the physical form of flakes or powders is provided herein by a novel process, and used in a personal care composition.
Inventors
- 👤 Stephen L. Kopolow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 23:00
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/12; A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/81; A61K8/817; A61K8/8182; A61Q; A61Q19/00; C08F; C08F210/00; C08F210/14; A61K8/02; A61K8/0241; A61K8/0254; A61Q17/00; A61Q17/04; C08J2323/00; C08J2323/02
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
30 words
A copolymer of vinyl pyrrolidone and an olefinic fraction containing predominately a C 30 alpha-olefin in flake or powder form having a melting point of at least about 50° C.
Claim 2
Dependent Claim
30 words
A copolymer of vinyl pyrrolidone and an olefinic fraction containing predominately a C 30 alpha-olefin in flake or powder form having a melting point of at least about 50° C.
Claim 3
Dependent Claim
25 words
A copolymer according to claim 1 which comprises about 20% by weigh of vinyl pyrrolidone and about 80% by weight of said C 30 alpha-olefin.
Claim 4
Dependent Claim
15 words
A copolymer according to claim 1 wherein the melting point is at least 60° C.
Claim 5
Dependent Claim
14 words
A copolymer according to claim 1 wherein residual C 30 alpha-olefin is substantially absent.
References Cited (Backward Citations)
US2982742A
Cited
US3423381A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-02-09 | 1996-08-10 | 1997-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-02-09 | 2000-08-10 | 2001-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-02-09 | 2004-08-10 | 2005-02-09 | $7700.00 | Window Closed / Lapsed |