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. 21, 1987
Filed:
Jul. 18, 1984
Applicant:
Inventors:
Dennis E Jackman, Prarie Village, KS (US);
Dietmar B Westphal, Lenexa, KS (US);
Thomas Schmidt, Ginsterweg, DE;
Assignees:
Mobay Corporation, Pittsburgh, PA (US);
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
544182 ; 544219 ; 544223 ; 544318 ; 544316 ; 544315 ; 544311 ; 544309 ;
Abstract
In the production of an S-substituted isothiourea including the function group ##STR1## in which R.sup.1 is an alkyl, alkenyl, aryl or aralkyl radical, wherein a thiourea including the functional group ##STR2## is reacted with an etherifying agent to replace H by R.sup.1, the improvement which comprises effecting the reaction in two steps, in the first step reacting the thiourea material with an etherifying agent including the radical R in which