Patent USRE27151E successfully refreshed from Google Patents.
USRE27151E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carboxy-hydroxy-containing copolymers
Assignee: —
•
Filing: 1970-03-24
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Granted: 1971-06-29
•
Expires: 1990-03-24
Abstract
Abstract A COPOLYMER OF AN UNSATURATED ALIPHATIC ACID HAVING ONLY ONE CARBOXY GROUP, AT LEAST ONE DIFFERENT ETHYLENICALLY UNSATURATED MONOMER AND A BETA-HYDROXYALKYL ESTER OF AN UNSATURATED ALIPHATIC ACID HAVING ONLY ONE CARBOXYL GROUP, SAID COPOLYMER BEING USEFUL IN COATING COMPOSITIONS.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:38
CPC Classifications
C; C08; C08F; C08F22/00; C08F20/00; C08F20/62; C09; C09D; C09D133/00; C09D133/04; C09D133/06; C09D133/062; C09D133/066; C08L; C08L61/00; C08L75/00; C08L75/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |