US2641588A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halogen containing resin stabilized with an organo tin compound
Assignee: ARGUS CHEMICAL LAB Inc
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Filing: 1952-02-07
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Granted: 1953-06-09
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Expires: 1972-02-07
Abstract
No abstract record available.
Inventors
- 👤 William E Leistner
- 👤 Olga H Knoepke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:12
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/56; C08K5/57; C08K5/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A PLASTIC COMPOSITION HAVING IMPROVED HEAT STABILITY AT TEMPERATURES OF ABOUT 350* F. AND IMPROVED SURFACE APPEARANCE AFTER STORAGE, SAID PLASTIC COMPOSITION COMPRISING A BLEND OF A POLYVINYL HALIDE AND A STABILIZER THEREFOR, SAID STABILIZER HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
39 words
A PLASTIC COMPOSITION HAVING IMPROVED HEAT STABILITY AT TEMPERATURES OF ABOUT 350* F. AND IMPROVED SURFACE APPEARANCE AFTER STORAGE, SAID PLASTIC COMPOSITION COMPRISING A BLEND OF A POLYVINYL HALIDE AND A STABILIZER THEREFOR, SAID STABILIZER HAVING THE GENERAL FORMULA
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) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |