Patent US3265668A successfully refreshed from Google Patents.
US3265668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction products of amino-s-triazine and alkylene carbonates
Assignee: PPG Industries Inc
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Filing: 1963-04-05
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Granted: 1966-08-09
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Expires: 1983-04-05
Abstract
No abstract record available.
Inventors
- 👤 Dowbenko Rostyslaw
- 👤 Roger M Christenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:36
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/48; C08G18/50; C08G18/5021; C08G18/5054; C08G18/5063; C08G63/00; C08G63/68; C08G63/685; C08G63/6854
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
THE HYDROXY-CONTAINING RESINOUS REACTION PRODUCT OF AN AMINO-S-TRIAZINE AND AN ALKYLENE CARBONATE HAVING THE STRUCTURE 2-(O=),4-R1,4-R2,5-R3,5-R4-1,3-DIOXOLANE WHEREIN R1, R2, R3, AND R4 ARE MEMBERS OF THE CLASS CONSISTING OF HYDROGEN, ALKYL, ALKARYL, AND ARYL GROUPS.
Claim 2
Dependent Claim
35 words
THE HYDROXY-CONTAINING RESINOUS REACTION PRODUCT OF AN AMINO-S-TRIAZINE AND AN ALKYLENE CARBONATE HAVING THE STRUCTURE 2-(O=),4-R1,4-R2,5-R3,5-R4-1,3-DIOXOLANE WHEREIN R1, R2, R3, AND R4 ARE MEMBERS OF THE CLASS CONSISTING OF HYDROGEN, ALKYL, ALKARYL, AND ARYL GROUPS.
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) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |