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.:
Date of Patent:
Jun. 03, 2014
Filed:
Jul. 13, 2011
Applicants:
Won Seok Jang, Daejeon, KR;
Won Yeob Kim, Daejeon, KR;
Myoung Lae Kim, Daejeon, KR;
Inventors:
Assignee:
SK Innovation Co., Ltd., , KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 9/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a method of preparing a biphenyl-4-yl diphenyl phosphate composition for use as a flame retardant or a plasticizer for resin, including mixing phosphoryl chloride (POCl), 4-phenylphenol, and a catalyst, so that first dehydrochlorination occurs; and further adding phenol, so that second dehydrochlorination occurs.
Jang, Won. (2014). Method of preparing biphenyl-4-yl diphenyl phosphate composition (U.S. Patent No. 8742157). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8742157
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile