Inventor · Monroeville, PA, US

Robert D. Herold

26Patents
11h-index
30Co-inventors
75Inventor score

Filing activity: Oct 13, 1994 → Dec 17, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US6342571B1 High refractive index optical resin composition Chemistry; Metallurgy 49 Expired
US5976422A Optical resin composition Physics 43 Expired
US5739243A Polymerizable composition Chemistry; Metallurgy 39 Expired
US5917006A Optical resin composition Physics 39 Expired
US5932681A Method of preparing an optical polymerizate Chemistry; Metallurgy 38 Expired
US5811503A Polymerizable composition Emerging Cross-Sectional Technologies 37 Expired
US5942158A One-component optical resin composition Chemistry; Metallurgy 37 Expired
US5708064A High refractive index photochromic ophthalmic article Physics 22 Expired
US6669873B1 Optical resin composition comprising thiol-ene prepolymer Chemistry; Metallurgy 22 Expired
US8017720B2 Sulfur-containing oligomers and high index polyurethanes prepared therefrom Chemistry; Metallurgy 21 Active
US7098290B1 Method of preparing an optical polymerizate Emerging Cross-Sectional Technologies 15 Expired
US5973093A Polymerizable polyol (allyl carbonate) composition Emerging Cross-Sectional Technologies 8 Expired
US5965680A Optical resin composition from polyol((meth)acryloyl carbonate) monomer Chemistry; Metallurgy 5 Expired
US9411076B2 Pigmented polymerizable compositions and optical articles prepared therefrom Physics 5 Active
US6057411A Process for forming poly(allyl carbonate)-functional prepolymer composition Chemistry; Metallurgy 5 Expired
US7473754B1 Optical resin composition Chemistry; Metallurgy 4 Expired
US6506864B1 Polymerizable composition of allyl functional monomers Chemistry; Metallurgy 1 Expired
US5952441A Partially polymerized mixture of diethylene glycol (allyl carbonate) compounds Chemistry; Metallurgy 1 Expired
US9334345B2 Polymerizable compositions containing (meth)acrylate monomers having sulfide linkages Chemistry; Metallurgy 1 Active
US10294318B2 Polymerizable composition for optical articles Physics 0 Active
US11634537B2 Polymerizable composition for optical articles and optical articles made therefrom Chemistry; Metallurgy 0 Active
US10407540B2 Composition for optical articles and optical articles made therewith Chemistry; Metallurgy 0 Active
US10822455B2 Composition for optical articles and optical articles made therewith Chemistry; Metallurgy 0 Active
US9752025B2 Polymerizable compositions and optical articles prepared therefrom Physics 0 Active
US12084531B2 High refractive index compositions and uses thereof Chemistry; Metallurgy 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.