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:
Oct. 02, 2007
Filed:
Mar. 16, 2004
Jay F. Kunzler, Canandaigua, NY (US);
Joseph C. Salamone, Fairport, NY (US);
Dharmendra Jani, Fairport, NY (US);
Erik M. Indra, Webster, NY (US);
Jay F. Kunzler, Canandaigua, NY (US);
Joseph C. Salamone, Fairport, NY (US);
Dharmendra Jani, Fairport, NY (US);
Erik M. Indra, Webster, NY (US);
Bausch & Lomb Incorporated, Rochester, NY (US);
Abstract
A process for the purification of a silicone oil or fluid using neat supercritical carbon dioxide or a supercritical carbon dioxide mixture extraction to produce vitreoretinal silicone tamponades. The subject process is an economical, highly effective, reproducible, contaminant-free method by which unreacted relatively low molecular weight cyclic siloxanes and oligomers are removed from relatively high molecular weight silicone oil or fluid.