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:
Jul. 13, 1993
Filed:
Jun. 05, 1992
Applicant:
Inventors:
Francois P Briot, Sedan, FR;
Michel Biencourt, Saint Michel Sur Orge, FR;
Claude G Gondel, Beaumont/Oise, FR;
Philippe P Riot, Noisiel, FR;
Michel M Ruimi, Paris, FR;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C25F / ;
U.S. Cl.
CPC ...
20412975 ;
Abstract
A nitrohydrofluoric development bath for use in an electro-chemical etching rocess, known as the 'blue etch process', for the non-destructive inspection of titanium or titanium alloy components such as turbo-machine blades and discs, the bath comprising, per liter, 320 g of nitric acid, from 13 to 22 g of hydrofluoric acid, from 4 to 7 g of dissolved titanium, and water as the balance.
Briot, Francois. (1993). Nitrohydrofluoric development bath for titanium alloy components (U.S. Patent No. 5227035). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5227035
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile