Patent US2969335A successfully refreshed from Google Patents.
US2969335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction products of polyesters and primary amines
Assignee: QUAKER CHEMICAL PRODUCTS Corp
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Filing: 1957-06-25
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Granted: 1961-01-24
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Expires: 1977-06-25
Abstract
No abstract record available.
Inventors
- 👤 Simons John Kenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:33
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/91; C08G63/914; C08G63/918; C08G63/66; C08G63/668; C08G63/676; C08G63/68; C08G63/685; C08G63/6854; C08G63/6858
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A POLYESTER CONTAINING AT LEAST ONE SECONDARY AMINE GROUP OBTAINED BY THE INTERACTION AT A TEMPERATURE FROM 20*C. TO 150*C. OF AN UNSATURATED POLYESTER AND A MONO PRIMARY AMINE SAID AMINE BEING REACTED CHEMICALLY BY ADDITION ACROSS THE CARBON-CARBON DOUBLE BOND OF SAID UNSATURATED POLYESTER IN AMOUNT FROM 0.1 TO 1 MOLAR EQUIVALENT TO THE CARBON-CARBON DOUBLE BONDS IN SAID POLYESTER, SAID UNSATURATED POLYESTER COMPRISING THE INTERESTERIFICATION PRODUCT OF AN ACID OF THE FORMULA HOOC.U.COOH WHERE U IS A DIVALENT RADICAL SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
87 words
A POLYESTER CONTAINING AT LEAST ONE SECONDARY AMINE GROUP OBTAINED BY THE INTERACTION AT A TEMPERATURE FROM 20*C. TO 150*C. OF AN UNSATURATED POLYESTER AND A MONO PRIMARY AMINE SAID AMINE BEING REACTED CHEMICALLY BY ADDITION ACROSS THE CARBON-CARBON DOUBLE BOND OF SAID UNSATURATED POLYESTER IN AMOUNT FROM 0.1 TO 1 MOLAR EQUIVALENT TO THE CARBON-CARBON DOUBLE BONDS IN SAID POLYESTER, SAID UNSATURATED POLYESTER COMPRISING THE INTERESTERIFICATION PRODUCT OF AN ACID OF THE FORMULA HOOC.U.COOH WHERE U IS A DIVALENT RADICAL SELECTED FROM THE GROUP CONSISTING OF
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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) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |