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:
Sep. 19, 2023
Filed:
Oct. 29, 2020
Applicant:
Alcon Inc., Fribourg, CH;
Inventors:
Stefan Kastl, Aschaffenburg, DE;
Steffen Paulekuhn, Hanau, DE;
Stephan Pirl, Dietzenbach, DE;
Gabriela Cocora, Aschaffenburg, DE;
Assignee:
Alcon Inc., Fribourg, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D 11/00 (2006.01); B29C 33/72 (2006.01);
U.S. Cl.
CPC ...
B29C 33/72 (2013.01); B29D 11/00125 (2013.01);
Abstract
A method of removing a lens forming material deposited on a lens forming surface () of a reusable glass mold for forming ophthalmic lenses, in particular contact lenses or intraocular lenses, comprises the steps of providing a plasma (), exposing the lens forming surface () of the reusable glass mold to the plasma () for removing the lens forming material deposited on the lens forming surface (). The plasma () is generated under atmospheric pressure and potential-free, or is generated under reduced pressure.