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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.:

US 5028711 B1

PDFFull Text
Date of Patent:
Jul. 02, 1991

Filed:

Jul. 06, 1989

Novel benzopyran derivatives, processes for their preparation and their

Applicant:
Inventors:

Wolfgang Stenzel, Reinbek, DE;

Theo Schotten, Hamburg, DE;

Ben Armah, Hamburg, DE;

Assignee:

Beiersdorf Aktiengesellschaft, Hamburg, DE;

Attorney:

Sprung, Horn, Kramer & Woods

Primary Examiner:

Cecilia Shen

Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
546196 ; 540363 ; 540524 ; 540596 ; 544-6 ; 544 54 ; 544 62 ; 544 70 ; 544 96 ; 544151 ; 544155 ; 544230 ; 544315 ; 544318 ; 544331 ; 544376 ; 546 15 ; 548182 ; 548186 ; 548190 ; 548193 ; 548225 ; 548229 ; 548234 ; 548300 ; 548301 ; 548316 ; 548318 ; 548407 ; 548525 ; 548950 ; 548952 ; 548958 ; 549345 ; 549387 ; 549399 ;
Abstract

Benzopyran derivatives of the general formula I ##STR1## are disclosed. The compounds are therapeutic active compounds.

Find Patent Forward Citations

Stenzel, Wolfgang. (1991). Novel benzopyran derivatives, processes for their preparation and their (U.S. Patent No. 5028711). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5028711

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