US2707178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilizers for vinyl chloride resins
Assignee: Union Carbide Corp
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Filing: 1952-06-21
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Granted: 1955-04-26
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Expires: 1972-06-21
Abstract
No abstract record available.
Inventors
- 👤 Wilson Joseph Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:42
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/24; C08K5/00; C08K5/04; C08K5/09; C08L27/06; C08L67/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A COMPOSITION OF MATTER COMPRISING A CHLORINECONTAINING POLYVINYL RESIN AND FROM 0.01% TO 5% BY WEIGHT OF THE RESIN OF A POLYESTER CONDENSATION PRODUCT OF AN ALIPHATIC MERCAPTO ALCOHOL AND A DISCARBOXYLIC ACID, SAID DISCARBOXYLIC ACID HAVING THE CARBOXYLIC ACID RADICALS THEREOF JOINED BY A HYDROCARBON GROUP.
Claim 2
Dependent Claim
47 words
A COMPOSITION OF MATTER COMPRISING A CHLORINECONTAINING POLYVINYL RESIN AND FROM 0.01% TO 5% BY WEIGHT OF THE RESIN OF A POLYESTER CONDENSATION PRODUCT OF AN ALIPHATIC MERCAPTO ALCOHOL AND A DISCARBOXYLIC ACID, SAID DISCARBOXYLIC ACID HAVING THE CARBOXYLIC ACID RADICALS THEREOF JOINED BY A HYDROCARBON GROUP.
References Cited (Backward Citations)
US2219463A
Cited
US2527374A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-25 | 1958-10-25 | 1959-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-25 | 1962-10-25 | 1963-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-25 | 1966-10-25 | 1967-04-26 | $7700.00 | Window Closed / Lapsed |