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US3845166A Expired / Lapsed US ⏱️ 0.0 years remaining

Curable composition comprising polyvinyl chloride,chlorinated polyolfin and an ethylene polymer,and the cured product thereof

Assignee: Vulkor Inc
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Filing: 1973-07-05
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Granted: 1974-10-29
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Expires: 1993-07-05
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Abstract

Abstract 1. A FLEXIBLE, THERMOSETTING CURABLE POLYMERIC COMPOSITION HAVING IMPROVED PHYSICAL AND ELECTRICAL PROPERTIES, COMPRISING A BLEND OF POLYMERS OF POLYVINYL CHLORIDE AND CHLORINATED POLYOLEFIN WITHIN THE RATION OF 45:55 TO 55:45 PARTS BY WEIGHT AND ABOUT 3 TO 10 PERCENT BY WEIGHT OF THE TOTAL WEIGHT OF THE POLYVINYL CHLORIDE AND CHLORINATED POLYETHYLENE POLYMER CONTENT OF AN ETHYLENE POLYMER CON TAINING NOT LESS THAN ABOUT 70 PERCENT BY WEIGHT ETHYLENE SAID POLYMERIC BLEND CONTAINING AT LEAST ABOUT 25 PERCENT BY WEIGHT THEREOF OF CHLORINE, A STABILIZER FOR SAID CHLORINATED POLYMERS, AND AT LEAST ABOUT 2 PARTS UP TO ABOUT 8 PARTS BY WEIGHT OF A PEROXIDE CROSS-LINKING CURING AGENT PER 10 PARTS OF THE POLYVINYL CHLORIDE AND CHLORINATED POLYETHYLENE POLYMER BLEND, SAID POLYMERIC COMPOSITION BEING CROSS-LINKED CURABLE TO A THERMOSET COMPOSITION WHICH IS FLEXIBLE AT LOW TEMPERATURES, MECHANICALLY TOUGH, RESISTANT TO FLAME, MOISTURE, CHEMICALS, SOLVENTS AND HOT OIL, AND HAS STABLE ELECTRICAL PROPERTIES AT ELEVATED TEMPERATURES.

Inventors

  • 👤 J Betts
  • 👤 S Martens

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 11:38
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/26; C08L23/28; C08K; C08K5/00; C08K5/0008; C08K5/005; C08K5/04; C08K5/14; C08L23/02; C08L23/04; C08L23/08; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L23/286; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 155 words
A FLEXIBLE, THERMOSETTING CURABLE POLYMERIC COMPOSITION HAVING IMPROVED PHYSICAL AND ELECTRICAL PROPERTIES, COMPRISING A BLEND OF POLYMERS OF POLYVINYL CHLORIDE AND CHLORINATED POLYOLEFIN WITHIN THE RATION OF 45:55 TO 55:45 PARTS BY WEIGHT AND ABOUT 3 TO 10 PERCENT BY WEIGHT OF THE TOTAL WEIGHT OF THE POLYVINYL CHLORIDE AND CHLORINATED POLYETHYLENE POLYMER CONTENT OF AN ETHYLENE POLYMER CON TAINING NOT LESS THAN ABOUT 70 PERCENT BY WEIGHT ETHYLENE SAID POLYMERIC BLEND CONTAINING AT LEAST ABOUT 25 PERCENT BY WEIGHT THEREOF OF CHLORINE, A STABILIZER FOR SAID CHLORINATED POLYMERS, AND AT LEAST ABOUT 2 PARTS UP TO ABOUT 8 PARTS BY WEIGHT OF A PEROXIDE CROSS-LINKING CURING AGENT PER 10 PARTS OF THE POLYVINYL CHLORIDE AND CHLORINATED POLYETHYLENE POLYMER BLEND, SAID POLYMERIC COMPOSITION BEING CROSS-LINKED CURABLE TO A THERMOSET COMPOSITION WHICH IS FLEXIBLE AT LOW TEMPERATURES, MECHANICALLY TOUGH, RESISTANT TO FLAME, MOISTURE, CHEMICALS, SOLVENTS AND HOT OIL, AND HAS STABLE ELECTRICAL PROPERTIES AT ELEVATED TEMPERATURES.
Claim 2
Dependent Claim 155 words
A FLEXIBLE, THERMOSETTING CURABLE POLYMERIC COMPOSITION HAVING IMPROVED PHYSICAL AND ELECTRICAL PROPERTIES, COMPRISING A BLEND OF POLYMERS OF POLYVINYL CHLORIDE AND CHLORINATED POLYOLEFIN WITHIN THE RATION OF 45:55 TO 55:45 PARTS BY WEIGHT AND ABOUT 3 TO 10 PERCENT BY WEIGHT OF THE TOTAL WEIGHT OF THE POLYVINYL CHLORIDE AND CHLORINATED POLYETHYLENE POLYMER CONTENT OF AN ETHYLENE POLYMER CON TAINING NOT LESS THAN ABOUT 70 PERCENT BY WEIGHT ETHYLENE SAID POLYMERIC BLEND CONTAINING AT LEAST ABOUT 25 PERCENT BY WEIGHT THEREOF OF CHLORINE, A STABILIZER FOR SAID CHLORINATED POLYMERS, AND AT LEAST ABOUT 2 PARTS UP TO ABOUT 8 PARTS BY WEIGHT OF A PEROXIDE CROSS-LINKING CURING AGENT PER 10 PARTS OF THE POLYVINYL CHLORIDE AND CHLORINATED POLYETHYLENE POLYMER BLEND, SAID POLYMERIC COMPOSITION BEING CROSS-LINKED CURABLE TO A THERMOSET COMPOSITION WHICH IS FLEXIBLE AT LOW TEMPERATURES, MECHANICALLY TOUGH, RESISTANT TO FLAME, MOISTURE, CHEMICALS, SOLVENTS AND HOT OIL, AND HAS STABLE ELECTRICAL PROPERTIES AT ELEVATED TEMPERATURES.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-10-28 1978-04-29 1978-10-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-10-28 1982-04-29 1982-10-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-10-28 1986-04-29 1986-10-29 $7700.00 Window Closed / Lapsed

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