US3133825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid vinyl chloride polymer compositions, and rigid cross-linked vinyl chloride polymeric products having reinforcing fibrous material embedded therein, and method of making the same
Assignee: Dow Chemical Co
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Filing: 1960-06-20
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Granted: 1964-05-19
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Expires: 1980-06-20
Abstract
No abstract record available.
Inventors
- 👤 Louis C Rubens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:50
CPC Classifications
D; D06; D06C; D06C7/00; C; C08; C08F; C08F259/00; C08F259/02; C08F259/04; C08K; C08K5/00; C08K5/0008; C08K5/0025; C08L; C08L67/00; C08L67/06; D06C2700/00; D06C2700/13; Y; Y10; Y10S; Y10S525/00; Y10S525/904; Y10T; Y10T442/00; Y10T442/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
74 words
A RIGID CROSS-LINKED VINYL CHLORIDE POLYMER ARTICLE WHICH COMPRISES A POLYMERIC VNYL CHLORIDE COMPOSITION CONSISTING ESSENTIALLY OF FROM 35 TO 65 PERCENT BY WEIGHT OF A FINELY DIVIDED SOLID VINYL CHLORIDE POLYMER OF THE PLASTISOL TYPE INTERPOLYMERIZED WITH FROM 65 TO 35 PERCENT BY WEIGHT FO A MIXTURE OF POLYMERIZED MONOMERS CONSISTING ESSENTIALLY OF FROM 40 TO 97.5 PERCENT BY WEIGHT OF A MONOVINYL AROMATIC COMPOUND OF THE BENZENE SERIES HAVING THE GENERAL FORMULA:
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) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |