US3022262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modified glycidyl methacrylate compositions
Assignee: EIDP Inc
•
Filing: 1957-12-31
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Granted: 1962-02-20
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Expires: 1977-12-31
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Hyde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:25
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/02; C08G59/12; C08G63/00; C08G63/66; C08G63/668; C08G63/78; C08G63/82; C08G63/87
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A COMPOSITION OF MATTER COMPRISING GLYCIDYL METHACRYLATE, AN ANHYDRIDE MEMBER SELECTED FROM THE GROUP CONSISTING OF PYROMELLITIC DIANHYDRIDE, MALEIC ANHYDRIDE, AND CYCLOPENTANETETRACARBOXYLIC DIANHYDRIDE, AND AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF MONOHYDRIC ALCOHOLS OF 3 TO 11 CARBON ATOMS AND POLYHYDRIC ALCOHOLS HAVING AN AVERAGE MOLECULAR WEIGHT OF LESS THAN 1540, SAID ALCOHOLS CONTAINING NO FUNCTIONAL GROUP REACTIVE WITH THE ANHYDRIDE OTHER THAN THE HYDROXYL GROUP AND IN WHICH EACH HYDROXYL GROUP IS ATTRACHED TO A SATURATED CARBON ATOM, THE AMOUNT OF SAID ANHYDRIDE MEMBER BEING THAT WHICH PROVIDES BETWEEN ABOUT 0.55 AND ABOUT 1.0 ANHYDRIDE GROUP FOR EACH EPOXIDE GROUP AND THE AMOUNT OF SAID ALCOHOL BEING THAT WHICH PROVIDES BETWEEN ABOUT 0.01 AND ABOUT 0.9 ALCOHOLIC HYDROXYL GROUP FOR EACH ANHYDRIDE GROUP OF SAID ANHYDRIDE MEMBER.
Claim 2
Dependent Claim
129 words
A COMPOSITION OF MATTER COMPRISING GLYCIDYL METHACRYLATE, AN ANHYDRIDE MEMBER SELECTED FROM THE GROUP CONSISTING OF PYROMELLITIC DIANHYDRIDE, MALEIC ANHYDRIDE, AND CYCLOPENTANETETRACARBOXYLIC DIANHYDRIDE, AND AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF MONOHYDRIC ALCOHOLS OF 3 TO 11 CARBON ATOMS AND POLYHYDRIC ALCOHOLS HAVING AN AVERAGE MOLECULAR WEIGHT OF LESS THAN 1540, SAID ALCOHOLS CONTAINING NO FUNCTIONAL GROUP REACTIVE WITH THE ANHYDRIDE OTHER THAN THE HYDROXYL GROUP AND IN WHICH EACH HYDROXYL GROUP IS ATTRACHED TO A SATURATED CARBON ATOM, THE AMOUNT OF SAID ANHYDRIDE MEMBER BEING THAT WHICH PROVIDES BETWEEN ABOUT 0.55 AND ABOUT 1.0 ANHYDRIDE GROUP FOR EACH EPOXIDE GROUP AND THE AMOUNT OF SAID ALCOHOL BEING THAT WHICH PROVIDES BETWEEN ABOUT 0.01 AND ABOUT 0.9 ALCOHOLIC HYDROXYL GROUP FOR EACH ANHYDRIDE GROUP OF SAID ANHYDRIDE MEMBER.
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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) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |