US5494975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Functionalization of polymers via enamine of acetoacetate
Assignee: Rohm and Haas Co
•
Filing: 1995-06-06
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Granted: 1996-02-27
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Expires: 2015-06-06
Abstract
Abstract The present invention relates to the preparation of polymers bearing reactive functional groups. More particularly, this invention relates to the preparation of polymers containing functional acetoacetate groups and then following the polymerization reacting the acetoacetate group with a functional amine to form an enamine. Polymers of the present invention have many uses including coatings, sealants, adhesives and saturant applications, and are most useful as solutions or dispersions in water or water-cosolvent mixtures.
Inventors
- 👤 Alvin C. Lavoie
- 👤 Daniel A. Bors
- 👤 Ward T. Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:38
CPC Classifications
C; C08; C08F; C08F8/00; C07; C07C; C07C251/00; C07C251/02; C07C251/04; C07C251/10; C07C251/12; C07C229/00; C07C229/02; C07C229/30; C08F8/30; C08F8/32; C08F2800/00; C08F2800/20
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
17 words
An emulsion polymer bearing secondary amine functional groups attached through an enamine of an acetoacetate functional group.
Claim 2
Dependent Claim
17 words
An emulsion polymer bearing secondary amine functional groups attached through an enamine of an acetoacetate functional group.
Claim 3
Dependent Claim
9 words
A coating composition containing the polymer of claim 1.
Claim 4
Dependent Claim
21 words
An emulsion polymer bearing polyethyleneoxide groups attached through an enamine of an acetoacetate functional group to produce a sterically stabilized latex.
Claim 5
Dependent Claim
21 words
An emulsion polymer bearing polyethyleneoxide groups attached through an enamine of an acetoacetate functional group to produce a sterically stabilized latex.
Claim 6
Dependent Claim
9 words
A coating composition containing the polymer of claim 3.
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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) | 1999-02-26 | 1999-08-28 | 2000-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-02-26 | 2003-08-28 | 2004-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-02-26 | 2007-08-28 | 2008-02-27 | $7700.00 | Window Closed / Lapsed |