Patent US2777829A successfully refreshed from Google Patents.
US2777829A
Expired / Lapsed
US
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Unsaturated alkyd resin compositions containing choline chloride
Assignee: Akzo Nobel Paints LLC
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Filing: 1953-08-28
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Granted: 1957-01-15
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Expires: 1973-08-28
Abstract
No abstract record available.
Inventors
- 👤 Andrews Robert Cott
- 👤 Norman G Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:00
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/19
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
92 words
THE METHOD OF PREPARING A STABILIZED, UNCATALYZED, COPOLYMERIZABLE MIXTURE COMPRISING (1) A POLYMERIZAABLE UNSATURATED ALKYD RESIN WHOSE MOLECULE CONTAINS A PLURALITY OF POLYMERIZABLEY REACTIVE $2,3-ENEDIKOYL GROUPS AND (2) A LIQUID, ETHYLENEICALLY UNSATURATED COMPOUND COPOLYMERIZABLE WITH SAID UNSATURATED ALKYD RESIN, WHICH COMPRISES: INCORPORATAING A SMALL AMOUNT OF CHOLINE CHLORIDE IN SAID UNSATURATED ALKYD RESIS AND THEREAFTER BY MEANS OF HEAT COMBINING THE RESULTING MASS WITH SAID ETHYLENICALLY UNSATURATED COMPOUND TO FORM A HOMOGENEOUS SOLUTION STABILIZED AGAINST PREMATURE GELLING IN THE COURSE OF AT LEASTA SEVERAL HOURS WHILE EXPOSED TO TEMPERATURES OF ABOUT 200*F.
References Cited (Backward Citations)
US2593787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |