US3342768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating compositions comprising a polyamic acid composition and a 2, 4-diamino-6-substituted-s-triazine
Assignee: EIDP Inc
•
Filing: 1962-10-08
•
Granted: 1967-09-19
•
Expires: 1982-10-08
Abstract
No abstract record available.
Inventors
- 👤 John R Chalmers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:34
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/06; C08G73/10; C08G73/1085; C08G73/1046; C08G73/1057; C08G73/106; C08G73/1064; C08G73/1067; C08G73/1071; C08L; C08L79/00; C08L79/04; C08L79/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A LIQUID COATING COMPOSITION COMPRISING, AS THE ESSENTIAL ORGANIC FILM-FORMING COMPONENTS IN A VOLATILE ORGANIC MUTUAL SOLVENT THEREOF, 100 PARTS BY WEIGHT OF (A) A POLYAMIC ACID COMPOSITION AND 5 TO 45 PARTS OF (B) A 2,4-DIAMINO-6-SUBSTITUTED-S-TRIAZINE HAVING A NONREACTIVE SOLUBILIZING SUBSTITUENT IN THE 6-POSITION, SAID SUBSTITUENT BEING SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL, ARALKYL, ALKARYL, ACYCLIC AND CYCLIC RADICALS, SAID POLYAMIC ACID COMPOSITION BEING CHARACTERIZED BY A PLURALITY OF RECURRING UNITS HAVING THE GENERAL STRUCTURE:
Claim 2
Dependent Claim
78 words
A LIQUID COATING COMPOSITION COMPRISING, AS THE ESSENTIAL ORGANIC FILM-FORMING COMPONENTS IN A VOLATILE ORGANIC MUTUAL SOLVENT THEREOF, 100 PARTS BY WEIGHT OF (A) A POLYAMIC ACID COMPOSITION AND 5 TO 45 PARTS OF (B) A 2,4-DIAMINO-6-SUBSTITUTED-S-TRIAZINE HAVING A NONREACTIVE SOLUBILIZING SUBSTITUENT IN THE 6-POSITION, SAID SUBSTITUENT BEING SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL, ARALKYL, ALKARYL, ACYCLIC AND CYCLIC RADICALS, SAID POLYAMIC ACID COMPOSITION BEING CHARACTERIZED BY A PLURALITY OF RECURRING UNITS HAVING THE GENERAL STRUCTURE:
References Cited (Backward Citations)
US3006878A
Cited
US2991196A
Cited
US2941904A
Cited
US3070560A
Cited
US3179614A
Cited
US3179634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |