Patent US1977574A successfully refreshed from Google Patents.
US3297584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid stabilizers for vinyl chloride resins comprising metal salts of epoxidized fatty acids
Assignee: CHEM FAB HOESCH K G FA
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Filing: 1961-12-05
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Granted: 1967-01-10
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Expires: 1981-12-05
Abstract
No abstract record available.
Inventors
- 👤 Szczepanek Alfred
- 👤 Koenen Gunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:27
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/15; C08K5/151; C08K5/1515
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
LIQUID STABILIZERS FOR POLYMERIC AND COPOLYMERIC VINYL CHLORIDE COMPRISING A SOLUTION CONTAINING 40 TO 60 WT. PERCENT OF AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF BARIUM, ZINC, AND CADMIUM SOAPS OF EPOXY STEARIC ACID, DIEPOXY STEARIC ACID, AND HYDROXY EPOXY STEARIC ACID IN AN ORGANIC SOLVENT CAPABLE OF SIMULTANEOUSLY SERVING AS A PLASTICIZER AND/OR STABILIZER FOR SAID POLYMERIC VINYL CHLORIDE SELECTED FROM THE GROUP CONSISTING OF ALKYL MONOHYDRIC PHENOLS, ESTERS OF PHTHALIC ACID WITH SHORT-CHAIN ALIPHATIC ALCOHOLS, SUBSTANTIALLY NEUTRAL ESTERS OF PHOSPHOROUS ACID (H3PO3), EPOXIDIZED CASTOR OIL, AND ESTERS OF RICINOLEIC ACID WITH ALIPHATIC LONG CHAIN ALCOHOLS 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
124 words
LIQUID STABILIZERS FOR POLYMERIC AND COPOLYMERIC VINYL CHLORIDE COMPRISING A SOLUTION CONTAINING 40 TO 60 WT. PERCENT OF AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF BARIUM, ZINC, AND CADMIUM SOAPS OF EPOXY STEARIC ACID, DIEPOXY STEARIC ACID, AND HYDROXY EPOXY STEARIC ACID IN AN ORGANIC SOLVENT CAPABLE OF SIMULTANEOUSLY SERVING AS A PLASTICIZER AND/OR STABILIZER FOR SAID POLYMERIC VINYL CHLORIDE SELECTED FROM THE GROUP CONSISTING OF ALKYL MONOHYDRIC PHENOLS, ESTERS OF PHTHALIC ACID WITH SHORT-CHAIN ALIPHATIC ALCOHOLS, SUBSTANTIALLY NEUTRAL ESTERS OF PHOSPHOROUS ACID (H3PO3), EPOXIDIZED CASTOR OIL, AND ESTERS OF RICINOLEIC ACID WITH ALIPHATIC LONG CHAIN ALCOHOLS 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.
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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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |