Patent US3352810A successfully refreshed from Google Patents.
US3352810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxy resin compositions
Assignee: BASF Schweiz AG
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Filing: 1965-09-14
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Granted: 1967-11-14
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Expires: 1985-09-14
Abstract
No abstract record available.
Inventors
- 👤 Cameron Grant Mclay
- 👤 Duke Angus John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:35
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/66; C08L; C08L63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
CURABLE COMPOSITIONS COMPRISING (1) A 1,2-EPOXY RESIN HAVING A 1,2-EPOXY HAVING AN EPOXIDE CONTENT OF ABOUT 3.8 TO 5.88 EPOXIDE EQUIVALENCE PER KILOGRAM AND SELECTED FROM THE GROUP CONSIST OF POLYGLYCIDYL ESTERS, POLYGLYCIDYL ETHER AND AMINO POLYEPOXIDES (2) A CURING AGENT THEREFOR, AND (3), AS A FLEXIBILIZER, AND ESTER OF A MERCAPTOCARBOXYLIC ACID WITH A POLYOL WHEREIN SAID ESTER IS OF THE GENERAL FORMULA
Claim 2
Dependent Claim
64 words
CURABLE COMPOSITIONS COMPRISING (1) A 1,2-EPOXY RESIN HAVING A 1,2-EPOXY HAVING AN EPOXIDE CONTENT OF ABOUT 3.8 TO 5.88 EPOXIDE EQUIVALENCE PER KILOGRAM AND SELECTED FROM THE GROUP CONSIST OF POLYGLYCIDYL ESTERS, POLYGLYCIDYL ETHER AND AMINO POLYEPOXIDES (2) A CURING AGENT THEREFOR, AND (3), AS A FLEXIBILIZER, AND ESTER OF A MERCAPTOCARBOXYLIC ACID WITH A POLYOL WHEREIN SAID ESTER IS OF 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 |