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:
Mar. 17, 1998
Filed:
Oct. 31, 1996
Applicant:
Inventors:
Danielle A Bright, New City, NY (US);
Ronald L Pirrelli, Mahopac, NY (US);
Assignee:
Akzo Nobel N.V., Arnhem, NL;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
558 99 ;
Abstract
The present invention is a process for forming monohydroxy-terminated aromatic oligomeric phosphates by the reaction of a diaryl halophosphate, such as diphenyl chlorophosphate, optionally in the presence of some monoaryl dihalophosphate, with an aromatic diol, such as resorcinol, to form the monohydroxy-terminated aromatic oligomeric phosphate. The reaction preferably employs a Lewis acid catalyst, such as magnesium dichloride.
Bright, Danielle. (1998). Process for making monohydroxy-terminated phosphate compositions (U.S. Patent No. 5728859). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5728859
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile