US3352809A
Expired / Lapsed
US
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Polyglycidyl ether of a polyhydric compound with a minor amount of a polyepoxide formed by the reaction of diglycidyl ether with a polyhydric phenol
Assignee: Dow Chemical Co
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Filing: 1963-11-05
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Granted: 1967-11-14
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Expires: 1983-11-05
Abstract
No abstract record available.
Inventors
- 👤 Robert L Carlyle
- 👤 Glenn E Gaumer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:02
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/226; C08G59/02; C08G59/04; C08G59/06; C08G59/066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
AN EPOXY RESIN COMPOSITION CHARACTERIZED BY AN IMPROVED ABILITY TO SUSPEND FINELY DIVIDED SOLIDS COMPRISING A POLYGLYCIDYL ETHER OF A POLYHYDRIC PHENOL OR A POLYHYDRIC ALCOHOL HAVING INTIMATELY MIXED THEREWITH FROM 0.5 TO ABOUT 30 WEIGHT PERCENT OF A DIFFERENT POLYEPOXY POLYHYDRIC ETHER HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
47 words
AN EPOXY RESIN COMPOSITION CHARACTERIZED BY AN IMPROVED ABILITY TO SUSPEND FINELY DIVIDED SOLIDS COMPRISING A POLYGLYCIDYL ETHER OF A POLYHYDRIC PHENOL OR A POLYHYDRIC ALCOHOL HAVING INTIMATELY MIXED THEREWITH FROM 0.5 TO ABOUT 30 WEIGHT PERCENT OF A DIFFERENT POLYEPOXY POLYHYDRIC ETHER HAVING THE GENERAL FORMULA
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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |