Portnoy, Robert C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Portnoy, Robert C..The latest application filed is for "polypropylene for precision injection molding applications".
- Portnoy, Robert C. - Houston TX
| Patent | Date |
|---|---|
| Polypropylene for precision injection molding applications App 20040044106 - Portnoy, Robert C. ; et al. | 2004-03-04 |
| Radiation tolerant polypropylene and its useful articles Grant 6,231,936 - Kozimor , et al. May 15, 2 | 2001-05-15 |
| Method of inhibiting acid corrosion of ferrous metals Grant H751 - Sullivan , et al. March 6, 1 | 1990-03-06 |
| Anionic copolymers for improved control of drilling fluid rheology Grant 4,680,128 - Portnoy July 14, 1 | 1987-07-14 |
| Fluid loss control in oil field cements Grant 4,659,750 - Sedillo , et al. April 21, 1 | 1987-04-21 |
| Use of mono and polyalkylene glycol ethers as agents for the release of differentially stuck drill pipe Grant 4,614,235 - Keener , et al. September 30, 1 | 1986-09-30 |
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