Inventor
HEROLD ROBERT D
US26 patents
⚠️ This page may combine multiple inventors who share the name “HEROLD ROBERT D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PPG IND OHIO INC
21 patentsUS6342571B1Jan 29, 2002
High refractive index optical resin composition
PPG IND OHIO INC104 citations98
US5976422ANov 2, 1999
Optical resin composition
PPG IND OHIO INC59 citations96
US5942158AAug 24, 1999
One-component optical resin composition
PPG IND OHIO INC54 citations96
US5932681AAug 3, 1999
Method of preparing an optical polymerizate
PPG IND OHIO INC77 citations96
US5917006AJun 29, 1999
Optical resin composition
PPG IND OHIO INC57 citations96
US6669873B1Dec 30, 2003
Optical resin composition comprising thiol-ene prepolymer
PPG IND OHIO INC37 citations92
US5973093AOct 26, 1999
Polymerizable polyol (allyl carbonate) composition
PPG IND OHIO INC20 citations92
US8017720B2Sep 13, 2011
Sulfur-containing oligomers and high index polyurethanes prepared therefrom
PPG IND OHIO INC27 citations91
US7473754B1Jan 6, 2009
Optical resin composition
PPG IND OHIO INC8 citations83
US7098290B1Aug 29, 2006
Method of preparing an optical polymerizate
PPG IND OHIO INC19 citations83
US9411076B2Aug 9, 2016
Pigmented polymerizable compositions and optical articles prepared therefrom
PPG IND OHIO INC9 citations77
US6057411AMay 2, 2000
Process for forming poly(allyl carbonate)-functional prepolymer composition
PPG IND OHIO INC14 citations74
US9752025B2Sep 5, 2017
Polymerizable compositions and optical articles prepared therefrom
PPG IND OHIO INC2 citations73
US5965680AOct 12, 1999
Optical resin composition from polyol((meth)acryloyl carbonate) monomer
PPG IND OHIO INC10 citations70
US6506864B1Jan 14, 2003
Polymerizable composition of allyl functional monomers
PPG IND OHIO INC5 citations63
US5952441ASep 14, 1999
Partially polymerized mixture of diethylene glycol (allyl carbonate) compounds
PPG IND OHIO INC3 citations63
US11028206B2Jun 8, 2021
Polymerizable composition for optical articles
PPG IND OHIO INC0 citations62
US10294318B2May 21, 2019
Polymerizable composition for optical articles
PPG IND OHIO INC0 citations52
US10822455B2Nov 3, 2020
Composition for optical articles and optical articles made therewith
PPG IND OHIO INC0 citations50
US10407540B2Sep 10, 2019
Composition for optical articles and optical articles made therewith
PPG IND OHIO INC0 citations50
US12084531B2Sep 10, 2024
High refractive index compositions and uses thereof
PPG IND OHIO INC0 citations41