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:
Feb. 08, 2005
Filed:
Feb. 07, 2003
Applicants:
Lorenzo Costa, Sommo, IT;
Pier Paolo Costa, Sommo, IT;
Stefania Grandi, Tornaco, IT;
Inventors:
Assignee:
Novara Technology S.r.l., Novara, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B033/00 ; B32B017/06 ;
U.S. Cl.
CPC ...
Abstract
A sol-gel process allowing preparation, on a substrate, of glassy films of silicon oxide or mixed oxides based on silicon oxide, of thickness above 1 micrometer, generally between 2 and 20 micrometers and characterized by absence of defects, that turn out to be particularly suitable as waveguides in flat optical devices.
Costa, Lorenzo. (2005). Process for preparing silica or silica-based thick vitreous films according to the sol-gel technique and thick films thereby obtained (U.S. Patent No. 6852300). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6852300
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile