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US3635914A Expired / Lapsed US ⏱️ 0.0 years remaining

Reactive hydroxyl group-containing vinyl chloride terpolymers

Assignee: GAF Corp
•
Filing: 1969-12-24
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Granted: 1972-01-18
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Expires: 1989-12-24
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Abstract

Abstract REACTIVE HYDROXYL GROUP-CONTAINING VINYL CHLORIDE TERPOLYMERS HAVING THE FOLLOWING FORMULA: -(CH2-CH(-O-R))X-(CH2-CH(-CL))Y-(CH(-R")-C(-R'')(-R"''))Z- WHEREIN R REPRESENTS AN ALKYL GROUP WHAVING FROM 1 TO 18 CARBON ATOMS, R'' REPRESENTS HYDROGEN OR METHYL, R" REPRESENTS HYDROGEN, HYDROXYALKYL OR HYDROXYALKYL CARBALKOXY, AND R$ REPRESENTS HYDROXY, HYDROXYALKYL OR HYDROXYALKYL CARBALKOXY, X REPRESENTS FROM ABOUT 50 TO ABOUT 98 MOLE PERCENT, Y REPRESENTS FROM ABOUT 1 TO ABOUT 40 MOLE PERCENT AND Z REPRESENTS FROM ABOUT 1 TO ABOUT 10 MOLE PERCENT. THE METHOD OF PREPARING THE NOVEL TERPOLYMERS BY COPOLYMERING CINYL CHLORIDE, AN ALKYL VINYL ETHER AND A POLYMERIZABLE HYDROXYLE GROUP-CONTAINING MONOMER IN THE PRESENCE OF A FREE RADICAL CATALYST IS ALSO DISCLOSED.

Inventors

  • 👤 Wiley E Daniels
  • 👤 Nathan D Field

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 09:25
CPC Classifications
C; C08; C08F; C08F16/00; C08F16/12; C08F8/00; C08F8/12; C08J; C08J5/00; C08J5/18; C08F214/00; C08F214/02; C08F214/04; C08F214/06; C08F2810/00; C08F2810/50

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-01-17 1975-07-19 1976-01-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-01-17 1979-07-19 1980-01-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-01-17 1983-07-19 1984-01-18 $7700.00 Window Closed / Lapsed

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