← Back to Patent Explorer
US3202622A Expired / Lapsed US ⏱️ 0.0 years remaining

Vinyl halide resin stabilizers comprising hydrolyzed mixtures of metal phenates, metal salts of monocarboxylic acids and organic phosphites

Assignee: Tenneco Chemicals Inc
•
Filing: 1961-08-28
•
Granted: 1965-08-24
•
Expires: 1981-08-28
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 James P Scullin
  • 👤 Theodore A Girard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 07:33
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K13/00; C08K13/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 162 words
IN THE PROCESS FOR THE PRODUCTION OF STABILIZERS FOR VINYL HALIDE RESINS WHICH COMPRISES FORMING A MIXTURE COMPRISING (A) AN ALKALINE EARTH METAL SALT OF A SUBSTITUTED PHENOL, SAID SUBSTITUTED PHENOL HAVING AS SUBSTITUENT AT LEASST ONE ALKYL GROUP CONTAINING FROM 4 TO 12 CARBON ATOMS; (B) A SALT OF A POLYVALENT METAL SELECTED FROM THE GROUP CONSISTING OF CADMIUM, ZINC, TIN, ZIRCOONIUM, CALCIUM, AND MIXTURES THEREOF, AND A MONOCARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF ALKANOIC ACIDS CONTAINING FROM 2 TO 22 CARBON ATOMS, BENZOIC ACID, ALKYLBENZOIC ACIDS, CHLOROBENZOIC ACIDS, ALKOXYLBENZOIC ACIDS, HYDROXYBENZOIC ACIDS, AND MIXTURES THEREOF; (C) AN ORGANIC PHOSPHITE SELECTED FROM THE GROUP CONSISTING OF TRIALKYL PHOSPHITES, TRIARYL PHOSPHITES, DIALKYL MONORAYL PHOSPHITES, AND MONOALKYL DIARYL PHOSPHITES; AND (D) A HYDROCARBON SOLVENT, THE IMPROVEMENT WHICH COMPRISES ADDING TO SAID MIXTURE AT A TEMPERATURE IN THE RANGE OF APPROXIMATELY 110*F. TO 190*F. APPROXIMATELY 0.1% TO 5.0%, BASED ON THE TOTAL WEIGHT OF SAID METAL SALTS AND ORGANIC PHOSPHITE, OF WATER.
Claim 2
Dependent Claim 162 words
IN THE PROCESS FOR THE PRODUCTION OF STABILIZERS FOR VINYL HALIDE RESINS WHICH COMPRISES FORMING A MIXTURE COMPRISING (A) AN ALKALINE EARTH METAL SALT OF A SUBSTITUTED PHENOL, SAID SUBSTITUTED PHENOL HAVING AS SUBSTITUENT AT LEASST ONE ALKYL GROUP CONTAINING FROM 4 TO 12 CARBON ATOMS; (B) A SALT OF A POLYVALENT METAL SELECTED FROM THE GROUP CONSISTING OF CADMIUM, ZINC, TIN, ZIRCOONIUM, CALCIUM, AND MIXTURES THEREOF, AND A MONOCARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF ALKANOIC ACIDS CONTAINING FROM 2 TO 22 CARBON ATOMS, BENZOIC ACID, ALKYLBENZOIC ACIDS, CHLOROBENZOIC ACIDS, ALKOXYLBENZOIC ACIDS, HYDROXYBENZOIC ACIDS, AND MIXTURES THEREOF; (C) AN ORGANIC PHOSPHITE SELECTED FROM THE GROUP CONSISTING OF TRIALKYL PHOSPHITES, TRIARYL PHOSPHITES, DIALKYL MONORAYL PHOSPHITES, AND MONOALKYL DIARYL PHOSPHITES; AND (D) A HYDROCARBON SOLVENT, THE IMPROVEMENT WHICH COMPRISES ADDING TO SAID MIXTURE AT A TEMPERATURE IN THE RANGE OF APPROXIMATELY 110*F. TO 190*F. APPROXIMATELY 0.1% TO 5.0%, BASED ON THE TOTAL WEIGHT OF SAID METAL SALTS AND ORGANIC PHOSPHITE, OF WATER.

References Cited (Backward Citations)

US2716092A Cited
US2953537A Cited
US2935491A Cited
US2968642A Cited
US2867594A Cited
US2951052A Cited
US2997454A Cited
US3003998A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-08-23 1969-02-22 1969-08-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-08-23 1973-02-22 1973-08-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-08-23 1977-02-22 1977-08-24 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag