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. 02, 1978
Filed:
Oct. 20, 1975
Applicant:
Inventors:
Jean-Pierre Rioult, Thaon, FR;
Raymond Fabien, Douvres-la-Delivrande, FR;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ; H01L / ;
U.S. Cl.
CPC ...
252 791 ; 156656 ; 156667 ; 252 794 ; 427 88 ; 427309 ;
Abstract
A method of etching aluminium oxide and/or cleaning aluminium surfaces with an etchant consisting of a solution of a fluoride in an organic solvent, which solution is substantially free from hydrofluoric acid and unbound water.
Rioult, Jean-Pierre. (1978). Preferential etchant for aluminium oxide (U.S. Patent No. 4087367). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4087367
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile