US2671769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reduction of extraction of dioctylphthalates from plasticized vinyl chloride polymer compositions
Assignee: Monsanto Chemicals Ltd
•
Filing: 1953-01-02
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Granted: 1954-03-09
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Expires: 1973-01-02
Abstract
No abstract record available.
Inventors
- 👤 Elmer E Cowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:04
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A COMPOSITION COMPRISING A VINYL CHLORIDE POLYMER FROM 37.5 TO 48 PARTS BY WEIGHT OF A DICETYL PHTHALATE AND FROM 2 TO 12.5 PARTS BY WEIGHT OF BUTYL BENZYL PHTHALATE PER 100 PARTS BY WEIGHT OF THE VINYL CHLORIDE POLYMER.
Claim 2
Dependent Claim
40 words
A COMPOSITION COMPRISING A VINYL CHLORIDE POLYMER FROM 37.5 TO 48 PARTS BY WEIGHT OF A DICETYL PHTHALATE AND FROM 2 TO 12.5 PARTS BY WEIGHT OF BUTYL BENZYL PHTHALATE PER 100 PARTS BY WEIGHT OF THE VINYL CHLORIDE POLYMER.
References Cited (Backward Citations)
US2542179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |