Bryant; Charles P.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Bryant; Charles P..The latest application filed is for "dispersant-viscosity improvers for lubricating oil compositions".

Company Profile

0.10.2

Bryant; Charles P. - Euclid OH

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Dispersant-viscosity improvers for lubricating oil compositions Grant 6,881,780 - Bryant , et al. April 19, 2	2005-04-19
Dispersant-viscosity improvers for lubricating oil compositions Grant 6,639,034 - Sivik , et al. October 28, 2	2003-10-28
Dispersant-viscosity improvers for lubricating oil compositions App 20020086965 - Sivik, Matthew R. ; et al.	2002-07-04
Dispersant-viscosity improvers for lubricating oil compositions App 20020032293 - Bryant, Charles P. ; et al.	2002-03-14
Viscosity improvers for lubricating oil-compositions Grant 6,271,184 - Seebauer , et al. August 7, 2	2001-08-07
Polymeric salts as dispersed particles in electrorheological fluids Grant 5,336,423 - Pialet , et al. August 9, 1	1994-08-09
Antioxidant compositions Grant 4,846,985 - Rizvi , et al. July 11, 1	1989-07-11
Nitrogenous dispersants, lubricants and concentrates containing said nitrogenous dispersants Grant 4,454,059 - Pindar , et al. June 12, 1	1984-06-12
Hydroxyalkyl hydroxy-aromatic condensation products as fuel and lubricant additives Grant 4,285,824 - Bryant August 25, 1	1981-08-25
Mixed alkyl esters of interpolymers for use in crude oils Grant 4,284,414 - Bryant August 18, 1	1981-08-18
Hydrocarbon-substituted methylol phenols Grant 4,273,891 - Pindar , et al. June 16, 1	1981-06-16
Hydroxyalkyl hydroxy-aromatic condensation products as fuel and lubricant additives Grant 4,205,960 - Bryant June 3, 1	1980-06-03

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