US3271338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyvinyl halide stabilizers comprising sulfur-containing compounds and metal salts of epoxidized fatty acids
Assignee: Novartis Corp
•
Filing: 1961-11-27
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Granted: 1966-09-06
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Expires: 1981-11-27
Abstract
No abstract record available.
Inventors
- 👤 Klemchuk Peter
- 👤 Dexter Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:16
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/37; C08K5/372; C07; C07F; C07F7/00; C07F7/22; C07F7/226; C08K5/04; C08K5/09; C08K5/098; C08K5/15; C08K5/151; C08K5/1515; C08K5/56; C08K5/57; C08K5/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
COMPOSITION OF MATTER WHICH COMPRISES A MAJOR PROPORTION OF POLYVINYL CHLORIDE AND A MINOR PROPORATION OF A STABILIZER SYSTEM COMPRISING IN A RATIO OF SUBSTANTIALLY 1:1 BY WEIGHT: (1) A MEMBER SELECTED FROM THE GROUP CONSISTING OF (A) A METAL SALT OF AN ALIPHATIC CARBOXYLIC ACID HAVING AT LEAST ONE EPOXY RING THEREIN, SAID CARBOXYLIC ACID CONTAINING FROM 8 TO 18 CARBON ATOMS AND SAID METAL BEING SELECTED FROM THE GROUP CONSISTING OF CADMIUM, CALCIUM, BARIUM AND ZINC, AND (B) A MIXTER OF (I) A METAL SALT OF AN ALIPHHATIC CARBOXYLIC ACID HAVING FROM 8 TO 18 CARBON ATOMS, SAID METAL BEING SELECTED FROM THE GROUP CONSISTING OF CADMIUM, CALCIUM, BARIUM SAID ZINC, AND (II) AN ORGANIC CARBOXYLIC ACID ESTER HAVING FROM 8 TO 36 CARBON ATOMS AND AT LEAST ONE EPOXY GROUP THEREIN AND (2) A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
141 words
COMPOSITION OF MATTER WHICH COMPRISES A MAJOR PROPORTION OF POLYVINYL CHLORIDE AND A MINOR PROPORATION OF A STABILIZER SYSTEM COMPRISING IN A RATIO OF SUBSTANTIALLY 1:1 BY WEIGHT: (1) A MEMBER SELECTED FROM THE GROUP CONSISTING OF (A) A METAL SALT OF AN ALIPHATIC CARBOXYLIC ACID HAVING AT LEAST ONE EPOXY RING THEREIN, SAID CARBOXYLIC ACID CONTAINING FROM 8 TO 18 CARBON ATOMS AND SAID METAL BEING SELECTED FROM THE GROUP CONSISTING OF CADMIUM, CALCIUM, BARIUM AND ZINC, AND (B) A MIXTER OF (I) A METAL SALT OF AN ALIPHHATIC CARBOXYLIC ACID HAVING FROM 8 TO 18 CARBON ATOMS, SAID METAL BEING SELECTED FROM THE GROUP CONSISTING OF CADMIUM, CALCIUM, BARIUM SAID ZINC, AND (II) AN ORGANIC CARBOXYLIC ACID ESTER HAVING FROM 8 TO 36 CARBON ATOMS AND AT LEAST ONE EPOXY GROUP THEREIN AND (2) A COMPOUND OF THE FORMULA:
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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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |