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. 25, 2010
Filed:
May. 17, 2002
Marie-paule Ferrachat, Saint Maur des Fosses, FR;
Fabienne Hanriot, Paris, FR;
Alain Massee, Longeaux, FR;
Alain Coulon, Montauban, FR;
Marie-Paule Ferrachat, Saint Maur des Fosses, FR;
Fabienne Hanriot, Paris, FR;
Alain Massee, Longeaux, FR;
Alain Coulon, Montauban, FR;
Essilor International, Charenton Cedex, FR;
Abstract
The invention relates to a mold insert, the interior surface thereof having an average quadratic roughness of less than 10 nm. Said insert is covered with a protective layer exhibiting a Vickers hardness of more than 1000 HV, a thickness of between 0.2 and 5 μm, and an adhesive strength greater than 15 N. The invention also relates to a method for the production thereof. The invention is used for the production of ophthalmic lenses.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile