US3780003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymers of alkoxy and hydroxy alkyl acrylates or methacrylates
Assignee: Hydron Ltd
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Filing: 1969-10-17
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Granted: 1973-12-18
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Expires: 1989-10-17
Abstract
Abstract THIS INVENTION RELATES TO COPOLYMERS AND PROVIDES COPOLYMER OBTAINABLE BY COPOLYMERISING (A) AT LEAST ONE ALKOXY ALKYL ACRYLATE OR METHACRYLATE WITH (B) AT LEAST ONE HYDROXY ALKYL ACRYLATE OR METHACRYLATE OR AT LEAST ONE DIFFERENT ALKOXY ALKYL ARYLATE OR METHACRYLATE AND OPTIONALLY WITH A MINOR AMOUNT OF A FURTHER MONOMER. THE INVENTION ALSO PROVIDES A PROCESS FOR MAKING SUCH COPOLYMERS.
Inventors
- 👤 D Seymour
- 👤 Costa N Da
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:28
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/26; C08F220/28; C08F220/281
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) | 1976-12-17 | 1977-06-18 | 1977-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-17 | 1981-06-18 | 1981-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-17 | 1985-06-18 | 1985-12-18 | $7700.00 | Window Closed / Lapsed |