Inventor · Plainfield, IL, US

Bruce A. Keiser

44Patents
11h-index
38Co-inventors
75Inventor score

Filing activity: Feb 8, 1982 → Oct 10, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6372806B1 Method of making colloidal silica Textiles; Paper 45 Expired
US4612138A Stable acidic and alkaline metal oxide sols Chemistry; Metallurgy 33 Expired
US6372089B1 Method of making paper Textiles; Paper 32 Expired
US6486216B1 Stable colloidal silica aquasols Textiles; Paper 26 Expired
US6372805B1 Colloids comprising amorphous borosilicate Textiles; Paper 20 Expired
US5840158A Colloidal silica/polyelectrolyte blends for pulp and paper applications Textiles; Paper 19 Expired
US6361653B1 Method of increasing retention in papermaking using colloidal borosilicates Textiles; Paper 18 Expired
US6361652B1 Method of increasing drainage in papermaking using colloidal borosilicates Textiles; Paper 18 Expired
US8110163B2 Complexation and removal of heavy metals from flue gas desulfurization systems Emerging Cross-Sectional Technologies 16 Active
US6083997A Preparation of anionic nanocomposites and their use as retention and drainage aids in papermaking Textiles; Paper 15 Expired
US6358364B2 Method for flocculating a papermaking furnish using colloidal borosilicates Textiles; Paper 11 Expired
US8632742B2 Methods of controlling mercury emission Performing Operations; Transporting 10 Active
US6270627A Use of colloidal borosilicates in the production of paper Textiles; Paper 10 Expired
US4613454A Metal oxide/silica sols Chemistry; Metallurgy 8 Expired
US4563298A Metal oxide/silica sols Chemistry; Metallurgy 7 Expired
US8025726B1 Sulfur containing silica particle Chemistry; Metallurgy 7 Active
US6200420A Method of using an anionic composite to increase retention and drainage in papermaking Textiles; Paper 6 Expired
US8845991B2 Silica particle manufacturing process Chemistry; Metallurgy 6 Active
USD273638S Table General 6 Expired
US6310104A Process for producing colloidal borosilicates Textiles; Paper 5 Expired
USD273738S Table General 3 Expired
US7449086B2 Use of synthetic metal silicates for decreasing the deposition of contaminants during a papermaking process Textiles; Paper 3 Active
US9023302B2 Method of oxidizing mercury in flue gas Mechanical Engineering; Lighting; Heating 2 Active
US10124290B2 Complexation and removal of mercury from flue gas desulfurization systems Performing Operations; Transporting 1 Active
US8333835B2 Sulfur containing silica particle Chemistry; Metallurgy 1 Active

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