US2906740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vulcanizable elastomer pellet and process of forming unscorched extrudate
Assignee: EIDP Inc
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Filing: 1956-06-08
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Granted: 1959-09-29
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Expires: 1976-06-08
Abstract
No abstract record available.
Inventors
- 👤 Becker John
- 👤 Charles E Mccormack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:04
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/20; C08J3/22; C08J3/226; C08J2321/00; C08J2461/00; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2998
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A VULCANIZABLE NON-SCORCHING ELASTOMER PELLET OF A DIMENSION NOT GREATER THAN ONE-HALF INCH, SAID ELASTOMER BEING TAKEN FROM THE GROUP CONSISTING OF NATURAL RUBBER, POLYCHLORIPRENE, A COPOLYMER OF BUTADIENE AND STYRENE, A COPOLYMER OF ISOBUTYLENE AND ISOPRENE, A COPOLYMER OF ISOBUTYLENE AND BUTADIENE, A COPOLYMER OF BUTADIENE AND ACRYLONTRILE, AND, CHLOROSULFONATED POLYETHYLENE THE ENTIRE PELLET SURFACE OF WHICH IS COATED WITH AN ACTIVE VULCANIZATION ACCELERATOR TAKEN FROM THE GROUP CONSISTING OF DIETHYL THIOUREA, 2-MERCAPTOAMIDAZOLINE, AND, A LIQUID BUTRALDEHYDE-ANILINE CONDENSATION PRODUCT, NONE OF SAID ACCELERATOR BEING CONTAINED WITHIN SAID PELLET.
Claim 2
Dependent Claim
89 words
A VULCANIZABLE NON-SCORCHING ELASTOMER PELLET OF A DIMENSION NOT GREATER THAN ONE-HALF INCH, SAID ELASTOMER BEING TAKEN FROM THE GROUP CONSISTING OF NATURAL RUBBER, POLYCHLORIPRENE, A COPOLYMER OF BUTADIENE AND STYRENE, A COPOLYMER OF ISOBUTYLENE AND ISOPRENE, A COPOLYMER OF ISOBUTYLENE AND BUTADIENE, A COPOLYMER OF BUTADIENE AND ACRYLONTRILE, AND, CHLOROSULFONATED POLYETHYLENE THE ENTIRE PELLET SURFACE OF WHICH IS COATED WITH AN ACTIVE VULCANIZATION ACCELERATOR TAKEN FROM THE GROUP CONSISTING OF DIETHYL THIOUREA, 2-MERCAPTOAMIDAZOLINE, AND, A LIQUID BUTRALDEHYDE-ANILINE CONDENSATION PRODUCT, NONE OF SAID ACCELERATOR BEING CONTAINED WITHIN SAID PELLET.
References Cited (Backward Citations)
US2576444A
Cited
US2640088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |