Patent US3298964A successfully refreshed from Google Patents.
← Back to Patent Explorer
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
•
Filing: 1963-03-28
•
Granted: 1967-01-17
•
Expires: 1983-03-28
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

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 20:15
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)

US2684353A Cited
US2716092A Cited
US2813830A Cited
US2921917A Cited
US2944045A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag