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:
Apr. 06, 1982
Filed:
Oct. 28, 1980
Applicant:
Inventors:
Gyorgy Lugosi, Felsogod, HU;
Antal S May, Budapest, HU;
Janos Bodnar, Budapest, HU;
Istvan Turcsan, Budapest, HU;
Istvan Jelinek, Budapest, HU;
Eva Somfai, Budapest, HU;
Laszlo Simandi, Budapest, HU;
Assignee:
Chinoin Gyogyszer es Vegyeszeti Termekek Gyara R.T., Budapest, HU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
252182 ; 2603 / ; 26034622 ; 548211 ; 560 32 ; 560132 ;
Abstract
The invention relates to a process for the preparation of carbamic acid phenyl esters of the formula (I) ##STR1## by acylating phenol derivatives of the formula (II) ##STR2## wherein R is alkyl having 1 to 8 carbon atoms, aryl, cycloalkyl having 5 or 6 carbon atoms, aralkyl having 7 to 16 carbon atoms which groups can be substituted by one or more alkyl groups,