US2629700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat stabilizer for vinyl resins
Assignee: CHERTOFF
•
Filing: 1951-09-05
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Granted: 1953-02-24
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Expires: 1971-09-05
Abstract
No abstract record available.
Inventors
- 👤 Sylvester S Caldwell
- 👤 George J Chertoff
- 👤 Garry B Curtiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:11
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A COMPOSITION COMPRISING A VINYL HALIDE POLYMER SUBJECT TO DETERIORATION AT ELEVATED TEMPERATURES AND, AS HEAT AND LIGHT STABILIZER, A STANNOUS SALT OF AN ORGANIC ACID CHOSEN FROM THE GROUP CONSISTING OF LAURIC, MYRISTIC, PALMITIC, STEARIC, ARACHIDIC, BEHENIC, OLEIC, LINOLEIC, LINOLENIC, RECINOLEIC, SALICYCLIC, SUCCINIC, BENZOIC, TARTARIC, LACTIC, NAPHTHENIC, PHTHALIC, AND ABIETIC ACIDS.
Claim 2
Dependent Claim
52 words
A COMPOSITION COMPRISING A VINYL HALIDE POLYMER SUBJECT TO DETERIORATION AT ELEVATED TEMPERATURES AND, AS HEAT AND LIGHT STABILIZER, A STANNOUS SALT OF AN ORGANIC ACID CHOSEN FROM THE GROUP CONSISTING OF LAURIC, MYRISTIC, PALMITIC, STEARIC, ARACHIDIC, BEHENIC, OLEIC, LINOLEIC, LINOLENIC, RECINOLEIC, SALICYCLIC, SUCCINIC, BENZOIC, TARTARIC, LACTIC, NAPHTHENIC, PHTHALIC, AND ABIETIC ACIDS.
References Cited (Backward Citations)
US2476833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |