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:
Aug. 25, 1992
Filed:
Nov. 27, 1989
Didier Saint-Leger, Paris, FR;
Anne-Marie Francois, Croissy-Beaubourg, FR;
Jean-Luc Leveque, Le Raincy, FR;
L'Oreal, Paris, FR;
Abstract
A method for the differential coloration of skin cells and their nucleii fixed on a transparent or translucent adhesive support, involves successively immersing the cells in two baths, A and B, bath A containing methyl blue or a derivative of methyl blue and bath B containing methyl blue, and/or methylene blue and rhodamine B or a derivative of rhodamine, and then rinsing and drying the support. This method of coloration can be used in the diagnosis of inflammatory skin conditions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile