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US3833689A
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Elastomeric compositions containing olefin-acrylic ester copolymer
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1972-08-10
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Granted: 1974-09-03
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Expires: 1992-08-10
Abstract
Abstract ELASTOMERIC COMPOSITIONS COMPRISIG 1 PART BY WEIGHT OF AT LEAST ONE CURABLE ELASTOMER AND 0.01 TO 100 PARTS BY WEIGHT OF AT LEAST ONE COPOLYMER HAVING OLEFIN AND ACRYLIC ESTER MONOMER UNITS AS THE MAIN CONSTITUENTS, WHICH POSSESS IMPROVED PROPERTIES IN TACKINESS, PROCESSABILITY, OIL RESISTANCE, THERMAL RESISTANCE, WEATHERING RESISTANCE AND THE LIKE.
Inventors
- 👤 T Usamoto
- 👤 T Okita
- 👤 N Yoshida
- 👤 S Imai
- 👤 M Hirooka
- 👤 I Taniguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:59
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/26; C08L23/28; C08L23/283; C08L21/00; C08L23/02; C08L23/025; C08L23/16; C08L23/18; C08L23/20; C08L23/22; C08L33/00; C08L33/04; C08L33/06; C08L33/08
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) | 1977-09-02 | 1978-03-04 | 1978-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-02 | 1982-03-04 | 1982-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-02 | 1986-03-04 | 1986-09-03 | $7700.00 | Window Closed / Lapsed |