US3309339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New trisphenols and epoxide resins prepared therefrom
Assignee: Honeywell International Inc
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Filing: 1963-11-12
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Granted: 1967-03-14
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Expires: 1983-11-12
Abstract
No abstract record available.
Inventors
- 👤 Alfred O Barton
- 👤 William D Griffin
- 👤 Richard B Lund
- 👤 Vitrone John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:11
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/02; C08G59/04; C08G59/06; C08G59/08; C07; C07C; C07C37/00; C07C37/11; C07C37/16; C07C37/62; C07C37/68; C07C37/70; C07C37/72; C07C37/82; C07C37/84; C07C37/86; C07C39/00; C07C39/12; C07C39/15; C07C39/24; C07C39/367; C08G59/18; C08G59/20; C08G59/32; C08G59/3218
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
AN EPOXIDE RESIN COMPRISING A REACTION PRODUCT OF EPICHLOROHYDRIN AND AT LEAST ONE TRISPHENOL OF THE FORMULA:
Claim 2
Dependent Claim
17 words
AN EPOXIDE RESIN COMPRISING A REACTION PRODUCT OF EPICHLOROHYDRIN AND AT LEAST ONE TRISPHENOL OF THE 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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |