Patent US2842518A successfully refreshed from Google Patents.
US2842518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Product produced by polymerization of vinylidene chloride-acrylonitrile mixtures onto polychloroprene
Assignee: Borg Warner Corp
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Filing: 1954-09-13
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Granted: 1958-07-08
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Expires: 1974-09-13
Abstract
No abstract record available.
Inventors
- 👤 Howard H Irvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:59
CPC Classifications
C; C08; C08F; C08F279/00; C08F279/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A NONFLAMMABLE, HIGH IMPACT PRODUCT OBTAINED BY THE INTERACTION, UNDER POLYMERIZING CONDITIONS, OF AN AQUEOUS POLYCHLOROPRENE LATEX, VINYLIDENE CHLORIDE AND ACRYLONITRILE, THE POLYCHLOROPRENE ON THE DRY BASIS COMPRISING 20-60%, THE VINYLIDENE CHLORIDE 3-70%, AND THE ACRYLONITRILE 10-25% OF THE TOTAL WEIGHT ON THE DRY BASIS OF THESE THREE REACTANTS.
Claim 2
Dependent Claim
49 words
A NONFLAMMABLE, HIGH IMPACT PRODUCT OBTAINED BY THE INTERACTION, UNDER POLYMERIZING CONDITIONS, OF AN AQUEOUS POLYCHLOROPRENE LATEX, VINYLIDENE CHLORIDE AND ACRYLONITRILE, THE POLYCHLOROPRENE ON THE DRY BASIS COMPRISING 20-60%, THE VINYLIDENE CHLORIDE 3-70%, AND THE ACRYLONITRILE 10-25% OF THE TOTAL WEIGHT ON THE DRY BASIS OF THESE THREE REACTANTS.
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) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |