Patent US4255700A successfully refreshed from Google Patents.
Patent US2502371A successfully refreshed from Google Patents.
US2502371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyvinyl chloride compositions
Assignee: Monsanto Chemicals Ltd
•
Filing: 1947-03-11
•
Granted: 1950-03-28
•
Expires: 1967-03-11
Abstract
No abstract record available.
Inventors
- 👤 Darby Joseph Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:38
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A COMPOSITION CAPABLE OF FUSING UNDER HEAT, COMPRISING A POLYMERIZED VINYL RESIN CONTAINING AT LEAST 85% OF COMBINED VINYL CHLORIDE, AND CONTAINING 10 TO 55 PARTS BY WEIGHT OF DIPHENYL PHTHALATE PER 100 PARTS OF SAID RESIN.
Claim 2
Dependent Claim
37 words
A COMPOSITION CAPABLE OF FUSING UNDER HEAT, COMPRISING A POLYMERIZED VINYL RESIN CONTAINING AT LEAST 85% OF COMBINED VINYL CHLORIDE, AND CONTAINING 10 TO 55 PARTS BY WEIGHT OF DIPHENYL PHTHALATE PER 100 PARTS OF SAID RESIN.
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) | 1953-03-27 | 1953-09-26 | 1954-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-27 | 1957-09-26 | 1958-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-27 | 1961-09-26 | 1962-03-28 | $7700.00 | Window Closed / Lapsed |