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Patent US2529512A successfully refreshed from Google Patents.
US2529512A
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US
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Unsaturated alkyd foam resins
Assignee: Monsanto Chemicals Ltd
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Filing: 1948-05-04
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Granted: 1950-11-14
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Expires: 1968-05-04
Abstract
No abstract record available.
Inventors
- 👤 John B Ott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:40
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; C08J9/06; C08J9/10; C08J9/106; C08J2367/00; C08J2367/06; Y; Y10; Y10S; Y10S220/00; Y10S220/902; Y10S521/00; Y10S521/908
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A PROCESS WHICH COMPRISES HEATING AT 80 TO 175* C. A COMPOSITION COMPRISING 100 PARTS OF A MIXTURE OF AN UNSATURATED POLYESTER RESIN DERIVED FROM A DIHYDRATE ALCOHOL AND AN ALPHA, BETA-ETHYLENICALLY UNSATURATED DICARBOXYLIC ACID WITH A VINYLIDENE MONOMER COPOLYMERIZABLE THEREWITH AND FROM 0.1 TO 10 PARTS OF A MONOACYL AZIDE WHICH IS STABLE AT TERPERATURES RANGING FROM 20 TO 50* C. BUT WHICH DECOMPOSES READILY AT 80 TO 175* C.
Claim 2
Dependent Claim
71 words
A PROCESS WHICH COMPRISES HEATING AT 80 TO 175* C. A COMPOSITION COMPRISING 100 PARTS OF A MIXTURE OF AN UNSATURATED POLYESTER RESIN DERIVED FROM A DIHYDRATE ALCOHOL AND AN ALPHA, BETA-ETHYLENICALLY UNSATURATED DICARBOXYLIC ACID WITH A VINYLIDENE MONOMER COPOLYMERIZABLE THEREWITH AND FROM 0.1 TO 10 PARTS OF A MONOACYL AZIDE WHICH IS STABLE AT TERPERATURES RANGING FROM 20 TO 50* C. BUT WHICH DECOMPOSES READILY AT 80 TO 175* C.
References Cited (Backward Citations)
US2195362A
Cited
US2442330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-13 | 1954-05-15 | 1954-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-13 | 1958-05-15 | 1958-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-13 | 1962-05-15 | 1962-11-14 | $7700.00 | Window Closed / Lapsed |