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US3751374A Expired / Lapsed US ⏱️ 0.0 years remaining

Disubstituted cyclohexane polymer compositions

Assignee: Dart Industries Inc
•
Filing: 1971-06-24
•
Granted: 1973-08-07
•
Expires: 1991-06-24
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Abstract

Abstract DISUBSTITUTED CYCLOHEXANE COMPOSITIONS DESIGNATED AS EITHER BIS(2-ALKYLALLYLCARBONYLDIOXY) 1,4-DIALKYLENE CYCLOHEXANE OR BIS(2-ARYLALLYLCARBONYLDIOXY) 1,4-DIALKYLENE CYCLOHEXANE REPRESENTED BY THE FORMULA: 1,4-DI(CH2=C(-R2)-CH2-OOC-O-R1-)CYCLOHEXANE WHEREIN R1 IS A LOWER ALKYL AND R2 IS HYDROGEN OR AN ALKYL, ARYL, ARALKYL OR ALKARYL HYDROCARBON RADICAL, ARE USEFUL IN THE PRODUCTION OF POLYMERS AND COPOLYMERS, COMPOSITIONS CONTAINING THESE POLYMERS AND COPOLYMER WHEN COMBINED WITH THE PROPER FILLER HAVE OUTSTANDING STAIN RESISTANCE AS WELL AS EXCELLENT IMPACT RESISTANCE AND OTHER STRENGTH PROPERTIES WHEN COMPARED WITH PRIOR ART COMPOSITIONS RECOGNIZED AS OUTSTANDING FOR USE IN DINNERWARE.

Inventors

  • 👤 D Berry
  • 👤 G Gynn

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 23:17
CPC Classifications
C; C08; C08F; C08F18/00; C08F18/02; C08F18/04; C08F18/08

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) 1976-08-06 1977-02-05 1977-08-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-08-06 1981-02-05 1981-08-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-08-06 1985-02-05 1985-08-07 $7700.00 Window Closed / Lapsed

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