Patent FR2690185A1 successfully refreshed from Google Patents.
US2798053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carboxylic polymers
Assignee: Goodrich Corp
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Filing: 1952-09-03
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Granted: 1957-07-02
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Expires: 1972-09-03
Abstract
No abstract record available.
Inventors
- 👤 Harold P Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:16
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/04; C08F220/06; A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/81; A61K8/8129; A61K8/8141; A61K8/8147; A61K8/8158; A61K8/8164; A61Q; A61Q11/00; C08F22/00; C08F22/30; C08F36/00; C08F36/02; C08F36/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A COMPOSITION COMPRISING A CROSS-LINKED INTERPOLYMER OF A MONOMERIC MIXTURE, SAID MIXTURE COMPRISING AS ESSENTIAL INGREDIENTS (1) AT LEAST 40% BY WEIGHT OF A MONOMERIC, POLYMERIZABLE ALPHA-BETA, MONOOLEFINCIALLY, UNSATURATED LOWER ALIPHATIC CARBOXYLIC ACID, FROM 0 TO 60% BY WEIGHT OF A DIFFERENT OLEFINICALLY UNSATURATED MONOMER COPOLYMERIZABLE WITH SAID ALPHA-BETA UNSATURATED ACID, AND (2) FROM ABOUT 0.1 TO ABOUT 10% BY WEIGHT OF THE OTHER MONOMERS OF A POLYETHER OF A POLYOL SELECTED FROM THE CLASS CONSISTING OF OLIGOSACCHARIDES, REDUCED DERIVATIVES THEREOF IN WHICH THE CARBONYL GROUP IS CONVERTED TO AN ALCOHOL GROUP AND PENTAERYTHRITOL, THE HYDROXYL GROUPS OF SAID POLYOL WHICH ARE MODIFIED BEING ETHERIFIED WITH ALLYL GROUPS, SAID POLYOL HAVING AT LEAST TWO ALLYL GROUPS PER POLYOL MOLECULE, SAID INTERPOLYMER BEING SUBSTANTIALLY INSOLUBLE IN LIQUID, VOLATILE ORGANIC HYDROCARBONS AND DIMENSIONALLY STABLE ON EXPOSURE TO AIR.
Claim 2
Dependent Claim
136 words
A COMPOSITION COMPRISING A CROSS-LINKED INTERPOLYMER OF A MONOMERIC MIXTURE, SAID MIXTURE COMPRISING AS ESSENTIAL INGREDIENTS (1) AT LEAST 40% BY WEIGHT OF A MONOMERIC, POLYMERIZABLE ALPHA-BETA, MONOOLEFINCIALLY, UNSATURATED LOWER ALIPHATIC CARBOXYLIC ACID, FROM 0 TO 60% BY WEIGHT OF A DIFFERENT OLEFINICALLY UNSATURATED MONOMER COPOLYMERIZABLE WITH SAID ALPHA-BETA UNSATURATED ACID, AND (2) FROM ABOUT 0.1 TO ABOUT 10% BY WEIGHT OF THE OTHER MONOMERS OF A POLYETHER OF A POLYOL SELECTED FROM THE CLASS CONSISTING OF OLIGOSACCHARIDES, REDUCED DERIVATIVES THEREOF IN WHICH THE CARBONYL GROUP IS CONVERTED TO AN ALCOHOL GROUP AND PENTAERYTHRITOL, THE HYDROXYL GROUPS OF SAID POLYOL WHICH ARE MODIFIED BEING ETHERIFIED WITH ALLYL GROUPS, SAID POLYOL HAVING AT LEAST TWO ALLYL GROUPS PER POLYOL MOLECULE, SAID INTERPOLYMER BEING SUBSTANTIALLY INSOLUBLE IN LIQUID, VOLATILE ORGANIC HYDROCARBONS AND DIMENSIONALLY STABLE ON EXPOSURE TO AIR.
References Cited (Backward Citations)
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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) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |