US3298964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid stabilizers for vinyl chloride resins comprising metal salts of epoxidized fatty acids
Assignee: Chemische Fabrik Hoesch KG
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Filing: 1963-03-28
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Granted: 1967-01-17
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Expires: 1983-03-28
Abstract
No abstract record available.
Inventors
- 👤 Szczepanek Alfred
- 👤 Koenen Gunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:55
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/15; C08K5/151; C08K5/1515
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
LIQUID STABILIZERS FOR POLYMERIC AND COPOLYMERIC VINYLCHLORIDE COMPRISING A SOLUTION CONTAINING 40 TO 60 WT. PERCENT OF AT LEAST ONE MEMBER SELECTED FROM THE GROUP, CONSISTING OF LITHIUM, SODIUM, POTASSIUM, CALCIUM, STRONTIUM, MAGNESIUM, BERYLLIUM, ZINC, NICKLE, MANGANESE, TIN, CETIUM, BISMUTH, AND COBALT SOAPS OF EPOXIDIZED HIGHER FATTY ACIDS HAVING 16 TO 18 CARBON ATOMS IN AN ORGANIC SOLVENT CAPABLE OF SIMULTANEOUSLY SERVING AS A PLASTICIZER AND/OR STABILIZER FOR SAID POLYMERIC VINYLCHLORIDE SELECTED FROM THE GROUP CONSISTING OF ALKYL MONOHYDRIC PHENOLS, ALIPHATIC POLYHYDRIC ALCOHOLS, ALKANOLAMINES CONTAINING AT LEAST TWO HYDROXYL GROUPS, PARTIAL ETHERS AND ESTERS OF ALIPHATIC POLYHYDRIC ALCOHOLS AND ALKANOLAMINES CONTAINING AT LEAST ONE FREE HYDROXYL GROUP, AND NON-VOLATILE TRI-ESTERS OF PHOSPHOROUS ACID (H3PO3) PREPARED BY HEATING A MIXTURE OF SAID SOAP GROUP MEMBER AND SAID ORGANIC SOLVENT GROUP MEMBER AT A TEMPERATURE OF FROM 80 TO 140*C.
Claim 2
Dependent Claim
138 words
LIQUID STABILIZERS FOR POLYMERIC AND COPOLYMERIC VINYLCHLORIDE COMPRISING A SOLUTION CONTAINING 40 TO 60 WT. PERCENT OF AT LEAST ONE MEMBER SELECTED FROM THE GROUP, CONSISTING OF LITHIUM, SODIUM, POTASSIUM, CALCIUM, STRONTIUM, MAGNESIUM, BERYLLIUM, ZINC, NICKLE, MANGANESE, TIN, CETIUM, BISMUTH, AND COBALT SOAPS OF EPOXIDIZED HIGHER FATTY ACIDS HAVING 16 TO 18 CARBON ATOMS IN AN ORGANIC SOLVENT CAPABLE OF SIMULTANEOUSLY SERVING AS A PLASTICIZER AND/OR STABILIZER FOR SAID POLYMERIC VINYLCHLORIDE SELECTED FROM THE GROUP CONSISTING OF ALKYL MONOHYDRIC PHENOLS, ALIPHATIC POLYHYDRIC ALCOHOLS, ALKANOLAMINES CONTAINING AT LEAST TWO HYDROXYL GROUPS, PARTIAL ETHERS AND ESTERS OF ALIPHATIC POLYHYDRIC ALCOHOLS AND ALKANOLAMINES CONTAINING AT LEAST ONE FREE HYDROXYL GROUP, AND NON-VOLATILE TRI-ESTERS OF PHOSPHOROUS ACID (H3PO3) PREPARED BY HEATING A MIXTURE OF SAID SOAP GROUP MEMBER AND SAID ORGANIC SOLVENT GROUP MEMBER AT A TEMPERATURE OF FROM 80 TO 140*C.
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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |