US3453225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyvinyl chloride resin stabilizer systems and resin compositions stabilized therewith
Assignee: Argus Chemical Corp
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Filing: 1965-09-09
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Granted: 1969-07-01
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Expires: 1985-09-09
Abstract
No abstract record available.
Inventors
- 👤 Mark W Pollock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:48
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098; C08K5/05; C08K5/053; C08K5/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A POLYVINYL CHLORIDE RESIN COMPOSITION HAVING INCREASED RESISTANCE TO HEAT DETERIORATION COMPRISING A POLYVINYL CHLORIDE RESIN AND A STABILIZER COMBINATION COMPRISING FROM ABOUT 20 TO ABOUT 60 PARTS BY WEIGHT OF A POLYHYDRIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC AND CYCLOALIPHATIC POLYHYDRIC ALCOHOLS CONTAINING FROM ABOUT TWO TO ABOUT TEN HYDROXYL GROUPS, AND FROM ABOUT TWO TO ABOUT TWENTY CARBON ATOMS, FROM ABOUT 15 TO ABOUT 50 PARTS BY WEIGHT OF AN ALKALIMETAL SALT OF AN ORGANIC CARBOXYLIC ACID HAVING FROM TWO TO ABOUT THIRTY CARBON ATOMS, AND FROM ABOUT 15 TO ABOUT 50 PARTS BY WEIGHT OF A SALT OF A POLYVALENT METAL SELECTED FROM THE GROUP CONSISTING OF ZINC, CADMIUM AND TIN, AND AN ORGANIC MONOCARBOXYLIC ACID HAVING FROM ABOUT SIX TO ABOUT THIRTY CARBON ATOMS, THE STABILIZER COMBINATION BEING IN AN AMOUNT WITHIN THE RANGE FROM AT LEAST ABOUT 0.5 PART UP TO ABOUT 15 PARTS PER HUNDRED PARTS BY WEIGHT OF THE POLYVINYL CHLORIDE RESIN, SUFFICENT TO INCREASE THE RESISTANCE OF THE RESIN TO HEAT DETERIORATION.
Claim 2
Dependent Claim
172 words
A POLYVINYL CHLORIDE RESIN COMPOSITION HAVING INCREASED RESISTANCE TO HEAT DETERIORATION COMPRISING A POLYVINYL CHLORIDE RESIN AND A STABILIZER COMBINATION COMPRISING FROM ABOUT 20 TO ABOUT 60 PARTS BY WEIGHT OF A POLYHYDRIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC AND CYCLOALIPHATIC POLYHYDRIC ALCOHOLS CONTAINING FROM ABOUT TWO TO ABOUT TEN HYDROXYL GROUPS, AND FROM ABOUT TWO TO ABOUT TWENTY CARBON ATOMS, FROM ABOUT 15 TO ABOUT 50 PARTS BY WEIGHT OF AN ALKALIMETAL SALT OF AN ORGANIC CARBOXYLIC ACID HAVING FROM TWO TO ABOUT THIRTY CARBON ATOMS, AND FROM ABOUT 15 TO ABOUT 50 PARTS BY WEIGHT OF A SALT OF A POLYVALENT METAL SELECTED FROM THE GROUP CONSISTING OF ZINC, CADMIUM AND TIN, AND AN ORGANIC MONOCARBOXYLIC ACID HAVING FROM ABOUT SIX TO ABOUT THIRTY CARBON ATOMS, THE STABILIZER COMBINATION BEING IN AN AMOUNT WITHIN THE RANGE FROM AT LEAST ABOUT 0.5 PART UP TO ABOUT 15 PARTS PER HUNDRED PARTS BY WEIGHT OF THE POLYVINYL CHLORIDE RESIN, SUFFICENT TO INCREASE THE RESISTANCE OF THE RESIN TO HEAT DETERIORATION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |