US2552269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasticized polyvinyl halides
Assignee: Monsanto Chemicals Ltd
•
Filing: 1950-03-25
•
Granted: 1951-05-08
•
Expires: 1970-03-25
Abstract
No abstract record available.
Inventors
- 👤 William S Emersen
- 👤 Robert A Heimsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:09
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/12; C08K5/36; C08K5/37; C08K5/375
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
A RESINOUS COMPOSITION COMPRISING A VINYL CHLORIDE POLYMER PLASTICIZED WITH AN ESTER HAVING THE STRUCTURE:
Claim 2
Dependent Claim
15 words
A RESINOUS COMPOSITION COMPRISING A VINYL CHLORIDE POLYMER PLASTICIZED WITH AN ESTER HAVING THE STRUCTURE:
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) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |