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US3843402A Expired / Lapsed US ⏱️ 0.0 years remaining

Stabilized irradiation cross-linked pvc coated articles

Assignee: AT&T Inc
•
Filing: 1971-12-07
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Granted: 1974-10-22
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Expires: 1991-12-07
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Abstract

Abstract 1. ARTICLE COATED WITH A POLYMERIC MATERIAL CONSISTING ESSENTIALLY OF AT LEAST 80 PERCENT BY WEIGHT OF POLYVINYL CHLORIDE, SAID MATERIAL BEING IRRADIATION CROSS-LINKED THROUGH A CROSS-LINKING MEDIUM AT LEAST 50 PERCENT BY WEIGHT OF WHICH IS A DIFUNCTIONAL MONOMER, CHARACTERIZED IN THAT SAID MATERIAL CONTAINS FROM 1 TO 20 PARTS BY WEIGHT BASED ON 100 PARTS OF SAID POLYMERIC MATERIAL OF AT LEAST ONE CYCLIC ETHER CONTAINING AT LEAST ONE HYDROGEN SUBSTIUENT ATOM IN A POSITION ALPHA TO AN ETHER OXYGEN, SAID ETHER CONTAINING AT LEAST ONE HYDROGEN SUBSTISUBSTITUENT OF A MOLECULAR WEIGHT OF AT LEAST 50 SUCH ETHER INCLUDING AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF FIVE AND SIX-MEMBERED MONOETHERS AND DIETHERS, RING MEMBERS OF WHICH ARE RESTRICTED TO CARBON AND ETHER OXYGEN ATOMS.

Inventors

  • 👤 R Albarino
  • 👤 E Otocka

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 11:36
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/443; C; C08; C08F; C08F259/00; C08F259/02; C08F259/04; C08K; C08K5/00; C08K5/04; C08K5/15; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31699

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 128 words
ARTICLE COATED WITH A POLYMERIC MATERIAL CONSISTING ESSENTIALLY OF AT LEAST 80 PERCENT BY WEIGHT OF POLYVINYL CHLORIDE, SAID MATERIAL BEING IRRADIATION CROSS-LINKED THROUGH A CROSS-LINKING MEDIUM AT LEAST 50 PERCENT BY WEIGHT OF WHICH IS A DIFUNCTIONAL MONOMER, CHARACTERIZED IN THAT SAID MATERIAL CONTAINS FROM 1 TO 20 PARTS BY WEIGHT BASED ON 100 PARTS OF SAID POLYMERIC MATERIAL OF AT LEAST ONE CYCLIC ETHER CONTAINING AT LEAST ONE HYDROGEN SUBSTIUENT ATOM IN A POSITION ALPHA TO AN ETHER OXYGEN, SAID ETHER CONTAINING AT LEAST ONE HYDROGEN SUBSTISUBSTITUENT OF A MOLECULAR WEIGHT OF AT LEAST 50 SUCH ETHER INCLUDING AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF FIVE AND SIX-MEMBERED MONOETHERS AND DIETHERS, RING MEMBERS OF WHICH ARE RESTRICTED TO CARBON AND ETHER OXYGEN ATOMS.
Claim 2
Dependent Claim 128 words
ARTICLE COATED WITH A POLYMERIC MATERIAL CONSISTING ESSENTIALLY OF AT LEAST 80 PERCENT BY WEIGHT OF POLYVINYL CHLORIDE, SAID MATERIAL BEING IRRADIATION CROSS-LINKED THROUGH A CROSS-LINKING MEDIUM AT LEAST 50 PERCENT BY WEIGHT OF WHICH IS A DIFUNCTIONAL MONOMER, CHARACTERIZED IN THAT SAID MATERIAL CONTAINS FROM 1 TO 20 PARTS BY WEIGHT BASED ON 100 PARTS OF SAID POLYMERIC MATERIAL OF AT LEAST ONE CYCLIC ETHER CONTAINING AT LEAST ONE HYDROGEN SUBSTIUENT ATOM IN A POSITION ALPHA TO AN ETHER OXYGEN, SAID ETHER CONTAINING AT LEAST ONE HYDROGEN SUBSTISUBSTITUENT OF A MOLECULAR WEIGHT OF AT LEAST 50 SUCH ETHER INCLUDING AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF FIVE AND SIX-MEMBERED MONOETHERS AND DIETHERS, RING MEMBERS OF WHICH ARE RESTRICTED TO CARBON AND ETHER OXYGEN ATOMS.

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) 1977-10-21 1978-04-22 1978-10-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-10-21 1982-04-22 1982-10-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-10-21 1986-04-22 1986-10-22 $7700.00 Window Closed / Lapsed

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