US3287447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyvinyl chloride compositions
Assignee: Rhone Poulenc SA
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Filing: 1964-02-24
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Granted: 1966-11-22
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Expires: 1984-02-24
Abstract
No abstract record available.
Inventors
- 👤 Faure Alphonse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:28
CPC Classifications
D; D01; D01F; D01F6/00; D01F6/44; D01F6/48; C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L2205/00; C08L2205/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
POLYVINYL CHLORIDE COMPOSITIONS COMPRISING A HOMOGENOUS MIXTURE OF 2 TO 95% BY WEIGHT OF POLYVINYL CHLORIDE PREPARED BY THE POLYMERIZATION OF VINYL CHLORIDE AT 40* TO 80*C. AND 98 TO 5% BY WEIGH OF POLYVINYL CHLORIDE PREPARED BY THE POLYMERIZATION OF VINYL CHLORIDE AT -30* TO 0*C., BOTH THE SAID POLYVINYL CHLO-
Claim 2
Dependent Claim
52 words
POLYVINYL CHLORIDE COMPOSITIONS COMPRISING A HOMOGENOUS MIXTURE OF 2 TO 95% BY WEIGHT OF POLYVINYL CHLORIDE PREPARED BY THE POLYMERIZATION OF VINYL CHLORIDE AT 40* TO 80*C. AND 98 TO 5% BY WEIGH OF POLYVINYL CHLORIDE PREPARED BY THE POLYMERIZATION OF VINYL CHLORIDE AT -30* TO 0*C., BOTH THE SAID POLYVINYL CHLO-
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |