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US3868341A Expired / Lapsed US ⏱️ 0.0 years remaining

Clear flame retardant composition

Assignee: AT&T Inc
•
Filing: 1972-06-02
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Granted: 1975-02-25
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Expires: 1992-06-02
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Abstract

Abstract A line cord of a telephone handset having individually insulated conductors is jacketed with an extrudable flexible clear flame retardant composition which includes a polyvinyl chloride resin (PVC), 10 to 55 parts by weight per 100 parts by weight of the PVC of a phthalate plasticizer, 3 to 50 parts by weight per 100 parts by weight of the PVC of a phosphate plasticizer, 2 to 5 parts by weight per 100 parts by weight of the PVC of a metallic stabilizer, 0.25 to 1.0 part by weight per 100 parts by weight of the PVC of a lubricant, 0.25 to 1.0 part by weight per 100 parts by weight of the PVC of an ultraviolet absorber, 1 to 4 parts by weight per 100 parts by weight of the PVC of an epoxy resin, and 1 to 8 parts by weight per 100 parts by weight of the PVC of an epoxy plasticizer.

Inventors

  • 👤 Earl Salvator Sauer
  • 👤 William Charles Vesperman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 15:40
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/07; C08K5/09; C08K5/10; C08K5/12; C08K5/15; C08K5/16; C08K5/49; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L63/00; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 241 words
A CLEAR FLAME-ERTARDANT COMPOSITION, WHICH INCLUDES A POLYMERIC MATERIAL CONSISTING ESSENTIALLY OF AT LEAST 80 PERCENT, BY WEIGHT, OF POLVINYL CHLORIDE; 10 TO 55 PARTS, BY WEIGHT, PER 100 PARTS, BY WEIGHT, OF THE POLYMERIC MATERIAL OF A PHTHALATE PLASTICIZER SELECTED FROM THE GROUP CONSISTING OF DI(N-OCTYL-N-DECYL) PHTHALATE, DI(N-HEXYL-N-DECYL) PHTHALATE, A DI-ISODECYL PHTHALATE, A DI-ISO-OCTYL PHATHALATE, A DI-ISO-NONY PHATHALATE, A DI-TRI-DECYL PHTHALATE AND A TRIDECYL PHTHALATE; 3 TO 50 PARTS, BY WEIGHT, PER 100 PARTS, BY WEIGHT, OF THE POLYMERIC MATERIAL OF A PHOSPHATE PLASTICIZER SELECTED FROM THE GROUP CONSISTING OF TRIARYL PHOSPHATE AND CREASY DIPHENYL PHOSPHATE, 2 TO 5 PARTS, BY WEIGHT, PER 100 PARTS, BY WEIGHT, OF THE POLYMERIC MATERIAL OF A METALLIC STABILIZER SELECTED FROM THE GROUP CONSISTING OF A PHOSPHATE CHELATOR, A BARIUM S EARATE, A CADMIUN STEARATE, A BARIUM ETHYL HEXOATE, A BARIUMCADIUM LAURATE, AND A BARIUM-CADIUM MYRISTATE; 0.25 TO 1.0 PARTS, BY WEIGHT, PER 100 PARTS, BY WEIGHT, OF THE POLYMERIC MATERIAL OF A LUBRICANT SELECTED FROM THE GROUP CONSISTING OF METALLIC STEARATE AND STEARIC ACID; 0.25 TO 1.0 PARTS, BY WEIGHT, PER 100 PARTS, BY WEIGHT, OF THE POLYMERIC MATERIAL OF AN ULTRAVIOLET ADSORBER SELECTED FROM THE GROUP CONSISTING OF SUBSTITUTED BENZOPHENONES AND SUBSTITUTED ACRYLONITRILES; 1 TO 4 PARTS, BY WEIGHT, PER 100 PARTS, BY WEIGHT, OF THE POLYMERIC MATERIAL OF AN EPOXY RESIN, AND 1 TO 8 PARTS, BY WEIGHT, PER 100 PARTS, BY WEIGHT, OF THE POLYMERIC MATERIAL OF AN EPOXY PLASTICIZER.
Claim 2
Dependent Claim 241 words
A CLEAR FLAME-ERTARDANT COMPOSITION, WHICH INCLUDES A POLYMERIC MATERIAL CONSISTING ESSENTIALLY OF AT LEAST 80 PERCENT, BY WEIGHT, OF POLVINYL CHLORIDE; 10 TO 55 PARTS, BY WEIGHT, PER 100 PARTS, BY WEIGHT, OF THE POLYMERIC MATERIAL OF A PHTHALATE PLASTICIZER SELECTED FROM THE GROUP CONSISTING OF DI(N-OCTYL-N-DECYL) PHTHALATE, DI(N-HEXYL-N-DECYL) PHTHALATE, A DI-ISODECYL PHTHALATE, A DI-ISO-OCTYL PHATHALATE, A DI-ISO-NONY PHATHALATE, A DI-TRI-DECYL PHTHALATE AND A TRIDECYL PHTHALATE; 3 TO 50 PARTS, BY WEIGHT, PER 100 PARTS, BY WEIGHT, OF THE POLYMERIC MATERIAL OF A PHOSPHATE PLASTICIZER SELECTED FROM THE GROUP CONSISTING OF TRIARYL PHOSPHATE AND CREASY DIPHENYL PHOSPHATE, 2 TO 5 PARTS, BY WEIGHT, PER 100 PARTS, BY WEIGHT, OF THE POLYMERIC MATERIAL OF A METALLIC STABILIZER SELECTED FROM THE GROUP CONSISTING OF A PHOSPHATE CHELATOR, A BARIUM S EARATE, A CADMIUN STEARATE, A BARIUM ETHYL HEXOATE, A BARIUMCADIUM LAURATE, AND A BARIUM-CADIUM MYRISTATE; 0.25 TO 1.0 PARTS, BY WEIGHT, PER 100 PARTS, BY WEIGHT, OF THE POLYMERIC MATERIAL OF A LUBRICANT SELECTED FROM THE GROUP CONSISTING OF METALLIC STEARATE AND STEARIC ACID; 0.25 TO 1.0 PARTS, BY WEIGHT, PER 100 PARTS, BY WEIGHT, OF THE POLYMERIC MATERIAL OF AN ULTRAVIOLET ADSORBER SELECTED FROM THE GROUP CONSISTING OF SUBSTITUTED BENZOPHENONES AND SUBSTITUTED ACRYLONITRILES; 1 TO 4 PARTS, BY WEIGHT, PER 100 PARTS, BY WEIGHT, OF THE POLYMERIC MATERIAL OF AN EPOXY RESIN, AND 1 TO 8 PARTS, BY WEIGHT, PER 100 PARTS, BY WEIGHT, OF THE POLYMERIC MATERIAL OF AN EPOXY PLASTICIZER.
Claim 3
Dependent Claim 20 words
The composition of claim 1, wherein the phthalate plasticizer has a molecular weight in the range of 400 to 440.
Claim 4
Dependent Claim 20 words
The composition of claim 1, wherein the phosphate plasticizer has a molecular weight in the range of 300 to 370.
Claim 5
Dependent Claim 29 words
The composition of claim 1, wherein the metallic stabilizer including a phosphite chelator includes a barium-cadmium-zinc stabilizer with a phosphite chelator and a barium-cadmium stabilizer with a phosphite chelator.
Claim 6
Dependent Claim 26 words
The composition of claim 1, wherein the substituted benzophenone is selected from the group consisting of a 4-decyl-2-hydroxy benzophenone, a 2-hydroxy-4-dodecyloxy benzophenone and a 2-hydroxy-4-N-octoxyl benzophenone.
Claim 7
Dependent Claim 26 words
The composition of claim 1, wherein the substituted acryonitrile is a substituted acryonitrile selected from the group consisting of a 2-ethyl-hexyl-2-cyano-3,3-diphenyl acrylate and an ethyl-2-cyano-3,3diphenyl acrylate.
Claim 8
Dependent Claim 41 words
The composition of claim 1, wherein the epoxy resin is selected from the group consisting of a diglycidyl ester of bisphenol A epoxy (bisphenol A epichlorohydrin epoxy) and branched di and tri epoxides manufactured by the condensation of epichlorohydrin and glycerine.
Claim 9
Dependent Claim 19 words
The composition of claim 7 wherein the molecular weight of the epoxy resin is in the range of 350-400.
Claim 10
Dependent Claim 36 words
The composition of claim 1, wherein the epoxy plasticizer is an epoxy plasticizer selected from the group consisting of an octyl epoxy stearate, an octyl epoxy tallate, an epoxidized soybean oil and an epoxidized linseed oil.
Claim 11
Dependent Claim 26 words
The composition of claim 1, wherein the substituted benzophenone is selected from the group consisting of a 4-decyl-2-hydroxy benzophenone, a 2-hydroxy-4-dodecyloxy benzophenone and a 2-hydroxy-4-N-octoxyl benzophenone.
Claim 12
Dependent Claim 27 words
The composition of claim 1, wherein the substituted acryonitrile is a subsTituted acryonitrile selected from the group consisting of a 2-ethyl-hexyl-2-cyano-3,3-diphenyl acrylate and an ethyl-2-cyano-3,3 diphenyl acrylate.
Claim 13
Dependent Claim 41 words
The composition of claim 1, wherein the epoxy resin is selected from the group consisting of a diglycidyl ester of bisphenol A epoxy (bisphenol A epichlorohydrin epoxy) and branched di and tri epoxides manufactured by the condensation of epichlorohydrin and glycerin.
Claim 14
Dependent Claim 19 words
The composition of claim 2 wherein the molecular weight of the epoxy resin is in the range of 350-400.
Claim 15
Dependent Claim 36 words
The composition of claim 1, wherein the epoxy plasticizer is an epoxy plasticizer selected from the group consisting of an octyl epoxy stearate, an octyl epoxy tallate, an epoxidized soybean oil and an epoxidized linseed oil.

References Cited (Backward Citations)

US2349413A Cited
US3657183A Cited
US3660331A Cited
US3670056A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-02-24 1978-08-26 1979-02-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-02-24 1982-08-26 1983-02-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-02-24 1986-08-26 1987-02-25 $7700.00 Window Closed / Lapsed

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