Patent US3019209A successfully refreshed from Google Patents.
US3019209A
Expired / Lapsed
US
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Blend of vinyl chloride polymer and butadiene-vinylidene chloride copolymer
Assignee: Occidental Chemical Corp
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Filing: 1957-12-16
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Granted: 1962-01-30
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Expires: 1977-12-16
Abstract
No abstract record available.
Inventors
- 👤 Robert J Reid
- 👤 Wendell R Conard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:02
CPC Classifications
C; C08; C08F; C08F236/00; C08F236/02; C08F236/04; C08F236/06; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A BLEND OF 75 TO 98 PERCENT BY WEIGHT OF (1) VINYL CHLORIDE POLYMER, AND (2) 25 TO 2 PERCENT OF RUBBERY COPOLYMER TOUGHENER, WHICH TOUGHENER IS A COPOLYMER OF 50 TO 95 PARTS OF BUTADIENE AND 40 TO 5 PARTS OF VINYLIDENE CHLORIDE.
Claim 2
Dependent Claim
44 words
A BLEND OF 75 TO 98 PERCENT BY WEIGHT OF (1) VINYL CHLORIDE POLYMER, AND (2) 25 TO 2 PERCENT OF RUBBERY COPOLYMER TOUGHENER, WHICH TOUGHENER IS A COPOLYMER OF 50 TO 95 PARTS OF BUTADIENE AND 40 TO 5 PARTS OF VINYLIDENE CHLORIDE.
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) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |