US3793274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for processing polyvinyl chloride resin
Assignee: Kao Corp
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Filing: 1971-08-19
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Granted: 1974-02-19
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Expires: 1991-08-19
Abstract
Abstract THE RELEASE PROPERTIES OF POLYVINYL CHLORIDE RESIN ARE IMPROVED BY INCORPORATING THEREIN A TOTAL OF FROM 0.05 TO 2.0 PERCENT BY WEIGHT OF ONE OR MORE MATERIALS SELECTED FROM THE GROUP CONSISTING OF POLYMERIZED FATTY ACID, HYDROGENATED POLYMERIZED ACID AND POLYMERIZED FATTY ALCOHOLS.
Inventors
- 👤 O Hiyama
- 👤 Y Torimae
- 👤 K Ito
- 👤 Y Kawahara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:45
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/05; C08K5/092
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-18 | 1977-08-20 | 1978-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-18 | 1981-08-20 | 1982-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-18 | 1985-08-20 | 1986-02-19 | $7700.00 | Window Closed / Lapsed |