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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 4621123 B1

PDFFull Text
Date of Patent:
Nov. 04, 1986

Filed:

Dec. 16, 1985

Phosphinylmethyl polypenols and polyglycidyl ethers thereof

Applicant:
Inventors:

Hisao Takagishi, Kyoto, JP;

Kazunori Kawakami, Osaka, JP;

Kunimasa Kamio, Suita, JP;

Khoichi Okuno, Izumiotsu, JP;

Assignee:

Sumitomo Chemical Company, Limited, Osaka, JP;

Attorney:

Stevens, Davis, Miller & Mosher

Primary Examiner:

Veronica P Hoke

Int. Cl.
CPC ...
C07D / ; C07F / ; C08G / ;
U.S. Cl.
CPC ...
525507 ; 528 99 ; 528151 ; 528158 ; 528167 ; 528169 ; 549218 ; 568 15 ; 568 16 ;
Abstract

Novel phosphorus-containing polyglycidyl ethers capable of forming a cured epoxy resin having a high flame retardancy and excellent in heat resistance characteristics such as heat deterioration resistance, glass transition temperature, thermal deformation temperature and the like; a process for producing said phosphorus-containing polyglycidyl ethers; phosphorus-containing polyphenol compounds used in production of said phosphorus-containing polyglycidyl ethers; and a process for producing said phosphorus-containing polyphenol compounds.

Find Patent Forward Citations

Takagishi, Hisao. (1986). Phosphinylmethyl polypenols and polyglycidyl ethers thereof (U.S. Patent No. 4621123). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4621123

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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