Inventor · Vancouver, BC, CA

Richard J. Holland

38Patents
14h-index
67Co-inventors
84Inventor score

Filing activity: Aug 10, 1987 → Jun 30, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5919830A Stable non-aqueous blends for personal care compositions Human Necessities 67 Expired
US8133998B2 Bicyclic pyrimidine derivatives as calcium channel blockers Human Necessities 48 Active
US6342474B1 Hard surface cleaner containing nonionic surfactants Chemistry; Metallurgy 38 Expired
US5709852A Ethylene oxide/propylene oxide/ethylene oxide (EO/PO/EO) triblock copolymer carrier blends Human Necessities 38 Expired
US6342206B1 Aqueous gels comprising ethoxylated polyhydric alcohols Human Necessities 28 Expired
US6271191A Hard surface cleaner containing anionic surfactant Chemistry; Metallurgy 26 Expired
US5049302A Stable liquid detergent compositions with enchanced clay soil detergency and anti-redeposition properties Chemistry; Metallurgy 26 Expired
US5221496A Aqueous prewash stain remover compositions with efficacy on tenacious oily stains Chemistry; Metallurgy 24 Expired
US4999869A Pre-treating textiles with dispersions of graft polymers based on polyalkylene oxides to impart soil release properties thereto Textiles; Paper 22 Expired
US5863521A Liquid heteric-block polyoxyalkylene compounds having improved flowability characteristics Human Necessities 22 Expired
US5152933A Ethylene oxide/propylene oxide copolymers as co-surfactants with detergency boosting properties in compositions also containing alkyl benzene sulfonate and ethoxylated alcohol Chemistry; Metallurgy 18 Expired
US5186856A Aqueous prewash stain remover compositions with efficacy on tenacious oily stains Chemistry; Metallurgy 18 Expired
US5026400A Built particulate detergent containing a narrow range alcohol ethoxylate and a pet-poet copolymer soil release agent Chemistry; Metallurgy 18 Expired
US5733856A Detergency boosting polymer blends as additives for laundry formulations Chemistry; Metallurgy 17 Expired
US4908039A Built particulate detergent containing a narrow range alcohol ethoxylate and a PET-POET copolymer soil release agent Chemistry; Metallurgy 14 Expired
US5156906A Method of pretreating fabrics in impart soil release properties thereto Emerging Cross-Sectional Technologies 11 Expired
US5169894A Lowering of anionic loading of dispersants on pigment slurries by blending with nonionic polymers Chemistry; Metallurgy 10 Expired
US5330670A Glycol-based polycarboxylate-containing antifreeze coolant formulations Chemistry; Metallurgy 9 Expired
US4818422A Fabric softening detersive article Chemistry; Metallurgy 9 Expired
US6315835A Anti-spotting and anti-filming hard surface cleaning formulations and methods Chemistry; Metallurgy 8 Expired
US5290468A Polycarboxylate-containing antifreeze/coolant additive for use in hard water applications Chemistry; Metallurgy 7 Expired
US6455486B1 Anti-spotting and anti-filming hard surface cleaning formulations and methods Chemistry; Metallurgy 7 Expired
US5855874A Dentifrice formulations containing liquid polyoxyalkylene compounds miscible in a liquid, polyalkylene glycol carrier Human Necessities 4 Expired
US5514288A Method of pretreating fabrics to impart soil release properties thereto using polymers of vinyl ethers Textiles; Paper 4 Expired
US6492317B1 High forming hard surface cleaning formulations Chemistry; Metallurgy 3 Expired

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