Valcho; Joseph J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Valcho; Joseph J..The latest application filed is for "highly grafted, multi-functional olefin copolymer vi modifiers".
- Valcho; Joseph J. - Richmond VA
- Valcho; Joseph J. - Midlothian VA
- Valcho; Joseph J. - Naperville IL
| Patent | Date |
|---|---|
| Highly grafted, multi-functional olefin copolymer VI modifiers Grant 6,107,257 - Valcho , et al. August 22, 2 | 2000-08-22 |
| Copolymer dispersants via vinyl terminated propene polymers Grant 5,616,153 - Mike , et al. * April 1, 1 | 1997-04-01 |
| Ashless mannich despersants, their preparation, and their use Grant 5,433,875 - Rollin , et al. July 18, 1 | 1995-07-18 |
| Silver protective lubricant composition Grant 5,302,304 - Valcho April 12, 1 | 1994-04-12 |
| Color stabilizers for zinc dithiophosphates Grant 4,634,541 - Caspari , et al. January 6, 1 | 1987-01-06 |
| Oil recovery and mobility control in surfactant systems using the reaction product of an alkenyl succinic anhydride and a tertiary amine Grant 4,253,974 - Valcho , et al. March 3, 1 | 1981-03-03 |
| Oil recovery and mobility control using succinamate surfactant systems Grant 4,120,800 - Valcho , et al. October 17, 1 | 1978-10-17 |
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