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:
May. 05, 1992
Filed:
Jun. 12, 1990
Applicant:
Inventors:
Sebastianus J Halkes, Weesp, NL;
Wilhelmus R Overbeek, Weesp, NL;
Assignee:
Duphar International Research B.V., Weesp, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
544233 ; 544234 ; 549 40 ; 552653 ;
Abstract
The invention relates to an adduct-aldehyde of the general formula ##STR1## wherein R is a hydrogen atom or an optionally etherified or esterified hydroxy group,