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US3655824A Expired / Lapsed US ⏱️ 0.0 years remaining

Rubbery acrylic resin composition containing a resinous 4 4'-dioxy diarylalkane polycarbonate

Assignee: Mitsubishi Chemical Corp
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Filing: 1970-07-21
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Granted: 1972-04-11
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Expires: 1990-07-21
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Abstract

Abstract A RESINOUS COMPOSITION WHICH COMPRISES THE ADMIXTURE OF: 5 TO 95%, BY WEIGHT OF A RESINOUS COMPOSITION SELECTED FROM THE GROUP CONSISTING OF A RESINOUS POLYMER PREPARED BY GRAFT POLYMERIZING 40-100% BY WEIGHT OF AT LEAST ONE MONOMERIC VINYL AROMATIC HYDROCARBON AND 60-0%, BY WEIGHT OF AN ETHYLENIC COMONOMER, WITH A RUBBERY POLYMER FORMED FROM 50-100%, BY WEIGHT OF AT LEAST ONE MONOMER SELECTED FROM THE GROUP CONSISTING OF ALKYL ACRYLATE AND ALKYL METHACRYLATE, EACH CONTAINING BETWEEN 1-18 CARBON ATOMS IN THE ALKYL GROUP, AND 500%, BY WEIGHT, OF AN ETHYLENIC COMONOMER, AND A RESINOUS POLYMERIC MIXTURE PREPARED BY ADMIXING A POLYMER FORMED BY POLYMERIZING FROM 40-100% BY WEIGHT OF AT LEAST ONE MONOMERIC VINYL AROMATIC HYDROCARBON AND 60-0%, BY WEIGHT OF AN ETHYLENIC COMONOMER WITH A GRAFT POLYMER PREPARED BY GRAFT POLYMERIZING 40-100%, BY WEIGHT OF SAID MONOMERIC VINYL AROMATIC HYDROCARBONS AND 60-0%, BY WEIGHT OF SAID ETHYLENIC COMONOMER WITH A RUBBERY POLYMER FORMED FROM 50-100%, BY WEIGHT OF AT LEAST ONE MONOMER SELECTED FROM THE GROUP CONSISTING OF ALKYL ACRYLATE AND ALKYL METHACRYLATE, EACH CONTAINING BETWEEN 1-18 CARBON ATOMS IN THE ALKYL GROUP, AND 50-0%, BY WEIGHT OF AN ETHYLENIC MONOMER, AND 95-5%, BY WEIGHT OF A 4,4''-DIOXY DIARYLALKANE POLYCARBONATE RESIN.

Inventors

  • 👤 Tetsuji Kato
  • 👤 Mikio Izumi
  • 👤 Yuji Hayashibara
  • 👤 Kazuo Suenaga

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 05:37
CPC Classifications
C; C08; C08F; C08F291/00; C08F291/02; C08L; C08L69/00

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) 1975-04-11 1975-10-11 1976-04-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-04-11 1979-10-11 1980-04-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-04-11 1983-10-11 1984-04-11 $7700.00 Window Closed / Lapsed

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