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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Diggins; David Robert
Address:
Flagstaff Hill, AU
No. of patents:
8
Patents:












Patent Number Title Of Patent Date Issued
8128990 Abrasion resistant coating composition March 6, 2012
The invention provides a coating composition for an optical element, such as an ophthalmic lens. The coating composition includes a relatively rigid multifunctional monomer and a relatively flexible difunctional monomer. The rigid multifunctional monomer and the flexible difunctional
8044141 Tinting optical substrates October 25, 2011
The present invention provides a method for tinting an optical substrate. The method includes the steps of applying a coating composition containing: a polymerisable monomer having a polyoxyalkylene backbone containing at least four contiguous oxyalkylene units, and an abrasion res
8003022 Method of forming a coated optical element August 23, 2011
A method of forming a coated optical element is disclosed herein. The method uses a mold having first and second mold sections that will form front and back surfaces of the optical element, one of the mold sections having a casting face. The method includes the steps of: applying an
7763313 Tinting optical substrates July 27, 2010
The present invention provides a method for tinting an optical substrate. The method includes the steps of applying a coating composition containing: .cndot. a polymerisable monomer having a polyoxyalkylene backbone containing at least four contiguous oxyalkylene units, and .cndot. a
6391983 Casting composition of aromatic polyvinyl monomer, polythiol and epoxy strain reducer May 21, 2002
A crosslinkable polymeric casting composition comprises an aromatic polyvinyl monomer such as divinyl benzene, a polythiol such as pentaerythritol tetrakis-(3-mercaptopropionate), an epoxide strain-reducing agent such as hexanediol diglycidyl ether, and, optionally, a polymerizable c
6313251 High index/high abbe number composition November 6, 2001
A cross-linkable polymeric casting composition including an effective amount ofA: an acrylic or methacrylic monomer which provides high rigidity and low color dispersion (High Abbe number) to the final product;B: a di- or polythiol compound;C: a di- or polyvinyl monomer; and optionallyD: a p
6166158 High index/high abbe number composition December 26, 2000
A cross-linkable polymeric casting composition including an effective amount ofA: an acrylic or methacrylic monomer which provides high rigidity and low colour dispersion (High Abbe number) to the final product;B: a di- or polythiol compound;C: a di- or polyvinyl monomer; and optionallyD: a
5977276 High index/high Abbe number composition November 2, 1999
A cross-linkable polymeric casting composition including an effective amount ofA: an acrylic or methacrylic monomer which provides high rigidity and low colour dispersion (High Abbe number) to the final product;B: a di- or polythio compound;C: a di- or polyvinyl monomer; and optionallyD: a p










 
 
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