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.

Date of Patent:
May. 21, 1991

Filed:

Aug. 03, 1989
Applicant:
Inventors:

Robert J Naylor, Addingham, Ilkley, West Yorkshire, LS29 0QP, GB;

Brenda Naylor, Addingham, Ilkley, West Yorkshire, LS29 0QP, GB;

Alain Renaud, 92500 Rueil Malmaison, FR;

Michel Langlois, 78530 Buc, FR;

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N / ; A61K / ;
U.S. Cl.
CPC ...
514299 ;
Abstract

Compounds of general formula I ##STR1## wherein: X represents oxygen or sulphur;


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