US3087910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrazino substituted diazine and triazine curing compounds for epoxy resins
Assignee: 3M Co
•
Filing: 1960-04-07
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Granted: 1963-04-30
•
Expires: 1980-04-07
Abstract
No abstract record available.
Inventors
- 👤 Robert L Wear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:46
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/4007; C08G59/4014; C08G59/4035; C08G59/50; C08G59/5046; C08G59/5053; C08G59/508; C08G59/5086
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A COMPOSITION OF MATTER COMPRISING A BLEND OF AN EPOXY RESIN HAVING AN AVERAGE OF MORE THAN ONE 1,2-EPOXY GROUP PER AVERAGE MOLECULAR WEIGHT, AND A 6-MEMBERED, CARBO-NITROGEN-HETEROCYCLIC RING COMPOUND REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim
34 words
A COMPOSITION OF MATTER COMPRISING A BLEND OF AN EPOXY RESIN HAVING AN AVERAGE OF MORE THAN ONE 1,2-EPOXY GROUP PER AVERAGE MOLECULAR WEIGHT, AND A 6-MEMBERED, CARBO-NITROGEN-HETEROCYCLIC RING COMPOUND REPRESENTED BY THE FORMULA:
References Cited (Backward Citations)
US2771434A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |