Patent US3262994A successfully refreshed from Google Patents.
US3262994A
Expired / Lapsed
US
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Graft copolymers of 2, 2-dimethylalkyl acrylates and styrene with butadiene-styrene polymers
Assignee: Eastman Kodak Co
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Filing: 1963-08-09
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Granted: 1966-07-26
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Expires: 1983-08-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Hugh J Hagemeyer
- 👤 Alden E Blood
- 👤 Marvin B Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:12
CPC Classifications
C; C08; C08F; C08F279/00; C08F279/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A RESINOUS GRAFT COPOLYMER OF (1) FROM 85 TO 97 PERCENT BY WEIGHT OF MONOMERIC MATERIAL CONSISTING OF FROM 40 TO 60 PERCENT BY WEIGHT OF STYRENE AND FROM 60 TO 40 PERCENT BY WEIGHT OF AT LEAST ONE 2,2-DIMETHYLALKYL ACRYLATE HAVING THE GENERAL FORMULA: CH2=CH-COO-CH2-C(-CH3)2-(CH2)X-CH3 WHEREIN X REPRESENTS AN INTEGER OF FROM 1 TO 11 AND (2) FROM 15 TO 3 PERCENT BY WEIGHT OF A PERFORMED COPOLYMER CONSISTING OF FROM 40 TO 80 PERCENT BY WEIGHT OF BUTADIENE AND FROM 60 TO 20 PERCENT BY WEIGHT OF STYRENE.
Claim 2
Dependent Claim
90 words
A RESINOUS GRAFT COPOLYMER OF (1) FROM 85 TO 97 PERCENT BY WEIGHT OF MONOMERIC MATERIAL CONSISTING OF FROM 40 TO 60 PERCENT BY WEIGHT OF STYRENE AND FROM 60 TO 40 PERCENT BY WEIGHT OF AT LEAST ONE 2,2-DIMETHYLALKYL ACRYLATE HAVING THE GENERAL FORMULA: CH2=CH-COO-CH2-C(-CH3)2-(CH2)X-CH3 WHEREIN X REPRESENTS AN INTEGER OF FROM 1 TO 11 AND (2) FROM 15 TO 3 PERCENT BY WEIGHT OF A PERFORMED COPOLYMER CONSISTING OF FROM 40 TO 80 PERCENT BY WEIGHT OF BUTADIENE AND FROM 60 TO 20 PERCENT BY WEIGHT OF STYRENE.
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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |