US2846410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermo-setting compositions of styrene and cinnamic acid ester of epoxide resin
Assignee: Sherwin Williams Co
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Filing: 1954-08-26
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Granted: 1958-08-05
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Expires: 1974-08-26
Abstract
No abstract record available.
Inventors
- 👤 Armitage Frank
- 👤 Trace Leslie George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:40
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/14; C08G59/1433; C08G59/1438; C08G59/1455; C08G59/1461; Y; Y10; Y10S; Y10S525/00; Y10S525/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A THERMOSETTABLE COMPOSITION COMPRISING AN ADMIXTURE OF AN ESTER OF AN ACID SELECTED FROM THE GROUP CONSISTING OF CINNAMIC ACID AND MIXTURES OF CINNAMIC ACID AND AT LEAST ONE LONG CHAIN FATTY ACID CONTAINING FROM 12 TO 26 CARBON ATOMS IN THE CHAIN, AND A POLYGLYCIDYL POLYMER RESIN HAVING A 1,2-EPOXIDE EQUIVALENT WEIGHT OF FROM ABOUT 225 TO 4,000; AND A VINYL MONOMER SELECTED FROM THE GROUP CONSISTING OF STYRENE, NUCLEAR ALKYL SUBSTITUTED STYRENE AND NUCLEAR HALOGEN-SUBSTITUTED STYRENE, THE AMOUNT OF SAID VINYL MONOMER BEING FROM ABOUT 5% TO ABOUT 95% OF THE COMBINED WEIGHT OF SAID MONOMER AND SAID ESTER.
Claim 2
Dependent Claim
101 words
A THERMOSETTABLE COMPOSITION COMPRISING AN ADMIXTURE OF AN ESTER OF AN ACID SELECTED FROM THE GROUP CONSISTING OF CINNAMIC ACID AND MIXTURES OF CINNAMIC ACID AND AT LEAST ONE LONG CHAIN FATTY ACID CONTAINING FROM 12 TO 26 CARBON ATOMS IN THE CHAIN, AND A POLYGLYCIDYL POLYMER RESIN HAVING A 1,2-EPOXIDE EQUIVALENT WEIGHT OF FROM ABOUT 225 TO 4,000; AND A VINYL MONOMER SELECTED FROM THE GROUP CONSISTING OF STYRENE, NUCLEAR ALKYL SUBSTITUTED STYRENE AND NUCLEAR HALOGEN-SUBSTITUTED STYRENE, THE AMOUNT OF SAID VINYL MONOMER BEING FROM ABOUT 5% TO ABOUT 95% OF THE COMBINED WEIGHT OF SAID MONOMER AND SAID ESTER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |