US2604460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions comprising a polyvinyl chloride resin stabilized with organo-tin complex compounds
Assignee: Advance Solvents and Chemical Corp
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Filing: 1949-08-19
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Granted: 1952-07-22
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Expires: 1969-08-19
Abstract
No abstract record available.
Inventors
- 👤 Gerry P Mack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:47
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/56; C08K5/57
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
76 words
A HEAT AND LIGHT RESISTANT PLASTIC COMPOSITION INCLUDING AS A MAJOR CONSTITUENT A HALOGENCONTAINING RESIN AND AS A STABILIZER AN ORGANOTIN COMPLEX COMPOUND OF THE FORMULA (RO)(SNR''''2O)NR''.SNR''''2X2 WHEREIN R AND R'' ARE EACH A MEMBER OF THE GROUP CONSISTING OF HYDROGEN AND ALKYL, R'''' IS A MEMBER OF THE GROUP CONSISTING OF ALKYL AND ARYL, X IS A MEMBER OF THE GROUP CONSISTING OF CHLORINE AND BROMINE, AND N IS A NUMERAL FROM 3 TO 10.
References Cited (Backward Citations)
US2267777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-22 | 1956-01-21 | 1956-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-22 | 1960-01-21 | 1960-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-22 | 1964-01-21 | 1964-07-22 | $7700.00 | Window Closed / Lapsed |