Inventor
WANIGATUNGA SIRISOMA
US13 patents
⚠️ This page may combine multiple inventors who share the name “WANIGATUNGA SIRISOMA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ESSILOR INT
6 patentsUS7446228B2Nov 4, 2008
Thiophosphine compounds
ESSILOR INT1 citations62
US6635195B1Oct 21, 2003
Cationic photopolymerization of diepisulfides and application to the manufacture of optical lenses
ESSILOR INT4 citations61
US7378556B2May 27, 2008
Process for making thiophosphine compounds
ESSILOR INT0 citations51
US7129321B2Oct 31, 2006
Thiophosphine compounds and methods of making polymerizable compositions containing them and their use for making ophthalmic lenses
ESSILOR INT0 citations51
US6592801B2Jul 15, 2003
Photopolymerization of episulfides using metal complexes and its use for making ophthalmic lenses
ESSILOR INT1 citations51
US7732507B2Jun 8, 2010
Spirotetrathiocarbamates and spirooxothiocarbamates
ESSILOR INT0 citations36
NAT STARCH CHEM INVEST
4 patentsUS5501851AMar 26, 1996
Emulsion polymers for use in hair fixatives
NAT STARCH CHEM INVEST32 citations90
US5030507AJul 9, 1991
Formaldehyde-free nonwoven binder composition
NAT STARCH CHEM INVEST45 citations86
US6262299B1Jul 17, 2001
Zwitterionic monomer having amino-multicarboxylic acid functionality
NAT STARCH CHEM INVEST11 citations73
US5239008AAug 24, 1993
Graft polymerization process using microfluidization in an aqueous emulsion system
NAT STARCH CHEM INVEST6 citations62