US3226356A
Expired / Lapsed
US
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Assignee: WR Grace and Co
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Filing: 1962-10-24
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Granted: 1965-12-28
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Expires: 1982-10-24
Abstract
No abstract record available.
Inventors
- 👤 Clifton L Kehr
- 👤 James L Guthrie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:23
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/29; C08K5/32; C08K5/33; Y; Y10; Y10S; Y10S8/00; Y10S8/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A CURABLE COMPOSITION CONSISTING ESSENTIALLY OF 100 PARTS BY WEIGHT OF A POLYMERIC MATERIAL CONTAINING AT LEAST 50 MOLE PERCENT OF A POLYMER DERIVED FROM AN AOLEFIN, SAID POLYMERIC MATERIAL BEING SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE, POLYPROPYLENE, ETHYLENEBUTYLENE COPOLYMER, CHLOROSULFONATED POLYETHYLENE, ETHYLTENE, ETHYLENE-VINYL ACETATE COPOLYMER AND ETHYLENE-PROPYLENEDIENE TERPOLYMER, 0.1 TO 30 PARTS/100 PARTS OF SAID POLYMERIC MATERIAL BY WEIGHT OF A CURING AGENT OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
69 words
A CURABLE COMPOSITION CONSISTING ESSENTIALLY OF 100 PARTS BY WEIGHT OF A POLYMERIC MATERIAL CONTAINING AT LEAST 50 MOLE PERCENT OF A POLYMER DERIVED FROM AN AOLEFIN, SAID POLYMERIC MATERIAL BEING SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE, POLYPROPYLENE, ETHYLENEBUTYLENE COPOLYMER, CHLOROSULFONATED POLYETHYLENE, ETHYLTENE, ETHYLENE-VINYL ACETATE COPOLYMER AND ETHYLENE-PROPYLENEDIENE TERPOLYMER, 0.1 TO 30 PARTS/100 PARTS OF SAID POLYMERIC MATERIAL BY WEIGHT OF A CURING AGENT OF THE GENERAL FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |