Patent US3018264A successfully refreshed from Google Patents.
US3018264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyepoxide compositions
Assignee: Union Carbide Corp
•
Filing: 1957-11-25
•
Granted: 1962-01-23
•
Expires: 1977-11-25
Abstract
No abstract record available.
Inventors
- 👤 Jr William G Colclough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:26
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/188
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A POLYEPOXIDE COMPOSITION CONTAINING A POLYEPOXIDE HAVING AN AVERAGE OF MORE THAN ONE EPOXY GROUP PER MOLECULE WHEREIN EACH EPOXY OXYGEN ATOM IS ATTACHED TO ADJACENT CARBON ATOMS AND A LATENT CHEMICAL ACTING SYSTEM COMPRISING A CURING AGENT FOR CURING SAID COMPOSITION TO AN INFUSIBLE, INSOLUBLE STATE, A MOLECULAR ZEOLITE SIEVE CARRIER INTO WHICH SAID CURING AGENT IS ADSORBED AND A NORMALLY SOLID MATERIAL COATING THE SAID CURING AGENT CONTAINING MOLECULAR SIEVE SAID COATING ACTING AS A MECHANICAL BARRIER BETWEEN THE POLYEPOXIDE AND THE CURING AGENT.
Claim 2
Dependent Claim
86 words
A POLYEPOXIDE COMPOSITION CONTAINING A POLYEPOXIDE HAVING AN AVERAGE OF MORE THAN ONE EPOXY GROUP PER MOLECULE WHEREIN EACH EPOXY OXYGEN ATOM IS ATTACHED TO ADJACENT CARBON ATOMS AND A LATENT CHEMICAL ACTING SYSTEM COMPRISING A CURING AGENT FOR CURING SAID COMPOSITION TO AN INFUSIBLE, INSOLUBLE STATE, A MOLECULAR ZEOLITE SIEVE CARRIER INTO WHICH SAID CURING AGENT IS ADSORBED AND A NORMALLY SOLID MATERIAL COATING THE SAID CURING AGENT CONTAINING MOLECULAR SIEVE SAID COATING ACTING AS A MECHANICAL BARRIER BETWEEN THE POLYEPOXIDE AND THE CURING AGENT.
References Cited (Backward Citations)
US2142980A
Cited
GB583471A
Cited
US2406869A
Cited
US2528933A
Cited
US2882244A
Cited
US2768992A
Cited
US2773043A
Cited
US2904607A
Cited
US2871222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |