Patent US2824847A successfully refreshed from Google Patents.
US2824847A
Expired / Lapsed
US
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Vinyl chloride polymer stabilized with thiophosphite and polyvalent metal soap
Assignee: Heyden Newport Chemical Corp
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Filing: 1954-08-25
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Granted: 1958-02-25
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Expires: 1974-08-25
Abstract
No abstract record available.
Inventors
- 👤 Fath Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:16
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/201; C07F9/2015; C08K5/04; C08K5/09; C08K5/098; C08K5/5398
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A RESSINOUS POLYMER OF VINYL CHLORIDE, STABILIZED AGAINST THE DETERIORATING EFFECTS OF LIGHT AND HEAT BY A STABILIZING AMOUNT OF AN ADMIXTURE OF AT LEAST ONE SOAP OF A POLYVALENT METAL AND AN ADDITIVE REPRESENTED BY THE FORMAULA
Claim 2
Dependent Claim
38 words
A RESSINOUS POLYMER OF VINYL CHLORIDE, STABILIZED AGAINST THE DETERIORATING EFFECTS OF LIGHT AND HEAT BY A STABILIZING AMOUNT OF AN ADMIXTURE OF AT LEAST ONE SOAP OF A POLYVALENT METAL AND AN ADDITIVE REPRESENTED BY THE FORMAULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-24 | 1961-08-26 | 1962-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-24 | 1965-08-26 | 1966-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-24 | 1969-08-26 | 1970-02-25 | $7700.00 | Window Closed / Lapsed |