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:
Jan. 10, 1978
Filed:
Sep. 19, 1973
Applicant:
Inventors:
Donald G Stoffey, Altadena, CA (US);
Jan Alexander Orlowski, Altadena, CA (US);
Assignee:
Lee Pharmaceuticals, South El Monte, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
560 90 ; 560 85 ; 560 86 ; 560 89 ; 560 95 ; 560 98 ; 560107 ; 560108 ; 560112 ; 560113 ; 560198 ; 560199 ; 560201 ; 560204 ; 560205 ; 560221 ; 560224 ; 560225 ; 560240 ; 560261 ; 560263 ; 560265 ;
Abstract
Esters are prepared by reaction of acyl halides and alcohols or hydroxyalkyl esters and acid halides in the presence of a tertiary amine and polar aprotonic solvents. Bis(2-methacrylatoethyl) phthalate is prepared by the reaction of phthaloyl chloride with 2-hydroxyethyl methacrylate in pyridine and acetone. Bis-phenol-A-bis(2-methacrylatoethyl)ether is prepared from 2,2-bis[4-(2-hydroxyethoxy)phenyl]-propane and methacryl chloride in acetone.