US3115479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
R oconr
Assignee: —
•
Filing: —
•
Granted: 1963-12-24
•
Expires: 1980-12-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:44
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/42; C08G18/4205; C08G18/4208; C08G18/02; C08G18/022; C08G18/70; C08G18/72; C08G18/77; C08G18/78; C08G18/79; C08G18/791; C08G18/80; C08G18/8061; C08G18/8064; C08G59/00; C08G59/18; C08G59/40; C08G59/4007; C08G59/4014; C08G59/4028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
AS A NEW COMPOSITION OF MATTER, A COATING COMPOSITION ADAPTED TO FOROM AN ELASTIC FILM WHEN APPLIED TO A SUBSTRATE AND BAKED AT TEMPERATURES ABOVE 180*C., SAID COATING COMPOSITION CONTAINING (1) A POLYESTER HAVING TERMINAL HYDROXYL GROUPS PREPRED BY ESTERIFICATION OF A POLYHYDRIC ALCOHOL AND A MEMBER SELECTED FROM THE GROUP CONSISTING OF A PHTHALIC ACID, A PHTHALIC ANHYDRIDE AND AN ESTER OF A PHTHALIC ACID, SAID POLYHYDRIC ALCOHOL BEING IN EXCESS OF THE AMOUNT STOICHIOMETRICALLY REQUIRED FOR REACTION WITH SAID GROUP MEMBER, (2) A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
89 words
AS A NEW COMPOSITION OF MATTER, A COATING COMPOSITION ADAPTED TO FOROM AN ELASTIC FILM WHEN APPLIED TO A SUBSTRATE AND BAKED AT TEMPERATURES ABOVE 180*C., SAID COATING COMPOSITION CONTAINING (1) A POLYESTER HAVING TERMINAL HYDROXYL GROUPS PREPRED BY ESTERIFICATION OF A POLYHYDRIC ALCOHOL AND A MEMBER SELECTED FROM THE GROUP CONSISTING OF A PHTHALIC ACID, A PHTHALIC ANHYDRIDE AND AN ESTER OF A PHTHALIC ACID, SAID POLYHYDRIC ALCOHOL BEING IN EXCESS OF THE AMOUNT STOICHIOMETRICALLY REQUIRED FOR REACTION WITH SAID GROUP MEMBER, (2) A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |