Patent US2954363A successfully refreshed from Google Patents.
US2954363A
Expired / Lapsed
US
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Stabilized masses of polyvinyl compounds containing halogen
Assignee: Deutsche Advance Produktion GmbH
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Filing: 1957-06-18
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Granted: 1960-09-27
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Expires: 1977-06-18
Abstract
No abstract record available.
Inventors
- 👤 Kuehne Walther
- 👤 Pohlemann Heinz
- 👤 Krzikalla Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:04
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/56; C08K5/57; C08K5/58; C07; C07F; C07F7/00; C07F7/22; C07F7/226; C08K3/00; C08K3/10; C08K3/11; C08K3/18; C08K3/20; C08K3/22; C08K3/24; C08K5/04; C08K5/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A COMPOSITION COMPRISING A POLYVINYL CHLORIDE POLYMER AND IN INTIMATE ADMIXTURE THEREWITH FROM ABOUT 0.2 TO ABOUT 1% BY WEIGHT THEREOF OF A DIALKYL TIN MERCAPTIDE OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
30 words
A COMPOSITION COMPRISING A POLYVINYL CHLORIDE POLYMER AND IN INTIMATE ADMIXTURE THEREWITH FROM ABOUT 0.2 TO ABOUT 1% BY WEIGHT THEREOF OF A DIALKYL TIN MERCAPTIDE OF THE GENERAL FORMULA:
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) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |