US3856739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasticized vinyl chloride polymers containing alkyloxymethyl diphenyl oxides
Assignee: Dow Chemical Co
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Filing: 1974-03-07
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Granted: 1974-12-24
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Expires: 1994-03-07
Abstract
Abstract Plasticized vinyl chloride polymer containing a major proportion of polymerized vinyl chloride and as a plasticizing agent therefore a compound of the formula: WHEREIN R is selected from the group consisting of methyl, ethyl, propyl and butyl radicals.
Inventors
- 👤 D Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:06
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/06
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
38 words
A PLASTICIZED VINYL CHLORIDE POLYMER CONTAINING A MAJOR PROPORTION OF POLYMERIZED VINYL CHLORIDE AND AS A PLASTICIZING AGENT THEREFORE FROM BETWEEN ABOUT 40 AND ABOUT 60 PARTS PER HUNDRED PARTS OF POLYMER OF A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
38 words
A PLASTICIZED VINYL CHLORIDE POLYMER CONTAINING A MAJOR PROPORTION OF POLYMERIZED VINYL CHLORIDE AND AS A PLASTICIZING AGENT THEREFORE FROM BETWEEN ABOUT 40 AND ABOUT 60 PARTS PER HUNDRED PARTS OF POLYMER OF A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
12 words
The composition of claim 1 wherein said vinyl chloride polymer is polyvinylchloride.
Claim 4
Dependent Claim
12 words
The composition of claim 1 wherein said plasticizing agent is bis(methoxymethyl)diphenyl oxide.
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) | 1977-12-23 | 1978-06-24 | 1978-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-23 | 1982-06-24 | 1982-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-23 | 1986-06-24 | 1986-12-24 | $7700.00 | Window Closed / Lapsed |