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US3823183A Expired / Lapsed US ⏱️ 0.0 years remaining

Unsaturated ester of halogenated alkenes

Assignee: Alelio G D
•
Filing: 1971-11-15
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Granted: 1974-07-09
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Expires: 1991-11-15
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Abstract

Abstract THIS INVENTION DEALS WITH NEW UNSATURATED ESTERS OF A,B-UNSATURATED CARBOXYLIC ACIDS DERIVED FROM HALOGENATED ALCOHOLS OF THE FORMULAS HO-R-C(-X)=C(-X)-R'' AND HO-C(-X)2-C(-X)2-R'' WHEREIN R IS A DIVALENT HYDROCARBON MOIETY HAVING AT LEAST ONE AND NO MORE THAN 10 CARBON ATOMS, X IS A MEMBER SELECTED FROM THE CLASS OF BROMINE AND CHLORINE, AND R'' IS A MEMBER SELECTED FROM THE CLASS OF HYDROGEN, X AND A MONOVALENT HYDROCARBON CONTAINING AT LEAST ONE AND NO MORE THAN 20 CARBON ATOMS. TYPICAL ESTERS ARE THE ACRYLATES, METHACRYLATES, MALEATES, FUMARATES, ITACONATES AND CINNAMATES. THESE MONOMERS POSSESS FIRE-RETARDANT PROPERTIES AND ARE USEFUL FOR THE SYNTHESIS OF POLYMERS AND COPOLYMERS.

Inventors

  • 👤 Alelio G D

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 18:43
CPC Classifications
D; D06; D06M; D06M14/00; C; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/22; C08F20/40; C08L; C08L97/00; C08L97/02; B; B27; B27K; B27K2240/00; B27K2240/30; B27K3/00; B27K3/02; B27K3/15; C08K; C08K5/00; C08K5/02; C08L61/00; C08L61/04; C08L61/06

Claims Analysis

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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) 1977-07-08 1978-01-07 1978-07-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-07-08 1982-01-07 1982-07-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-07-08 1986-01-07 1986-07-09 $7700.00 Window Closed / Lapsed

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