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:
Jan. 18, 2005
Filed:
Apr. 17, 2002
Applicants:
Geoffrey Thomas Dair, Subiaco, AU;
Hank Christian Sciberras, Joondanna, AU;
Sharon Lee Humphris, South Perth, AU;
Inventors:
Geoffrey Thomas Dair, Subiaco, AU;
Hank Christian Sciberras, Joondanna, AU;
Sharon Lee Humphris, South Perth, AU;
Assignee:
Q-Vis Limited, Western Australia, AU;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 908 ;
U.S. Cl.
CPC ...
Abstract
A method of treating a surface by laser ablation to modify selected regions of the surface, while other regions of the surface not to be substantially ablated are protected from the laser beam by a masking fluid, wherein the masking fluid comprises a solution of a pharmaceutically acceptable pyrido benzoxazine compound or derivative thereof effective as a masking agent.