Patent US3073786A successfully refreshed from Google Patents.
US3073786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyepoxide resin compositions
Assignee: Heyden Newport Chemical Corp
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Filing: 1960-11-14
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Granted: 1963-01-15
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Expires: 1980-11-14
Abstract
No abstract record available.
Inventors
- 👤 William M Kraft
- 👤 Welsfeld Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:08
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/226
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
33 words
A COMPOSITION COMPRISING A POLYEPOXIDE RESIN HAVING A 1,2-EPOXY EQUIVALENCY GREATER THAN 1 AND FROM 5 TO 80 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF SAID POLYEPOXIDE RESIN OF ALLO-OCIMENE DIOXIDE.
Claim 2
Dependent Claim
33 words
A COMPOSITION COMPRISING A POLYEPOXIDE RESIN HAVING A 1,2-EPOXY EQUIVALENCY GREATER THAN 1 AND FROM 5 TO 80 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF SAID POLYEPOXIDE RESIN OF ALLO-OCIMENE DIOXIDE.
Claim 3
Dependent Claim
78 words
A COMPOSITION COMPRISING A POLYEPOXIDE RESIN HAVE ING A 1,2-EPOXY EQUIVALENCY BETWEEN 1.1 AND 3.0 AND A MOLECULAR WEIGHT BETWEEN 250 AND 1000, ALLO-OCIMENE DIOXIDE, AND A POLYCARBOXYLIC ACID ANHYDRIDE CURING AGENT SAID ALLO-OCIMENE BEING PRESENT IN THE AMOUNT OF 10 TO 50 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF SAID POLYEPOXIDE RESIN AND SAID ANHYDRIDE CURING AGENT BEING PRESENT IN THE AMOUNT OF 0.6 TO 1.5 EQUIVALENT PER EQUIVALENT OF EPOXIDE IN SAID POLYEPOXIDE RESIN.
Claim 4
Dependent Claim
78 words
A COMPOSITION COMPRISING A POLYEPOXIDE RESIN HAVE ING A 1,2-EPOXY EQUIVALENCY BETWEEN 1.1 AND 3.0 AND A MOLECULAR WEIGHT BETWEEN 250 AND 1000, ALLO-OCIMENE DIOXIDE, AND A POLYCARBOXYLIC ACID ANHYDRIDE CURING AGENT SAID ALLO-OCIMENE BEING PRESENT IN THE AMOUNT OF 10 TO 50 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF SAID POLYEPOXIDE RESIN AND SAID ANHYDRIDE CURING AGENT BEING PRESENT IN THE AMOUNT OF 0.6 TO 1.5 EQUIVALENT PER EQUIVALENT OF EPOXIDE IN SAID POLYEPOXIDE RESIN.
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |