Rollmann; Louis D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Rollmann; Louis D..The latest application filed is for "polysilicate esters for oil reservoir permeability control".
- Rollmann; Louis D. - Dallas TX
- Rollmann; Louis D. - Princeton NJ
| Patent | Date |
|---|---|
| Polysilicate esters for oil reservoir permeability control Grant 4,785,883 - Hoskin , et al. * November 22, 1 | 1988-11-22 |
| Upgrading heavy crude oils to lighter products with a dispersed zeolite Grant 4,536,282 - Rollmann August 20, 1 | 1985-08-20 |
| Synthesis of ZSM-5 utilizing a mixture of quaternary ammonium ions and amines Grant 4,495,166 - Calvert , et al. January 22, 1 | 1985-01-22 |
| Preparing metal-exchanged highly siliceous porous crystalline materials Grant 4,431,746 - Rollmann February 14, 1 | 1984-02-14 |
| Method of preparing silico-crystal ZSM-48 Grant 4,423,021 - Rollmann , et al. December 27, 1 | 1983-12-27 |
| Continuous-stream upflow zeolite crystallization apparatus Grant 4,374,093 - Rollmann , et al. February 15, 1 | 1983-02-15 |
| Selective production of olefins Grant 4,359,595 - Rollmann * November 16, 1 | 1982-11-16 |
| Sorbent for removing metals from fluids Grant 4,338,288 - Rollmann July 6, 1 | 1982-07-06 |
| Deasphalting process Grant 4,324,651 - Rollmann , et al. April 13, 1 | 1982-04-13 |
| Selective production of aromatics Grant 4,300,011 - Rollmann November 10, 1 | 1981-11-10 |
| Zeolite synthesis Grant 4,296,083 - Rollmann October 20, 1 | 1981-10-20 |
| Desulfurization and demetalation of heavy charge stocks Grant 4,272,357 - Rollmann June 9, 1 | 1981-06-09 |
| Preparation and use of reactive dispersions Grant 4,263,126 - Rollmann April 21, 1 | 1981-04-21 |
| Sorbent for removing metals from fluids Grant 4,222,897 - Rollmann September 16, 1 | 1980-09-16 |
| Manufacture of nitrogenous zeolites Grant 4,205,053 - Rollmann , et al. May 27, 1 | 1980-05-27 |
| ZSM-5 Containing aluminum-free shells on its surface Grant 4,203,869 - Rollmann * May 20, 1 | 1980-05-20 |
| ZSM-5 particle containing aluminum-free shells on its surface Grant 4,148,713 - Rollmann April 10, 1 | 1979-04-10 |
| Catalytic conversion with ZSM-35 Grant 4,146,584 - Rollmann March 27, 1 | 1979-03-27 |
| Synthesis of zeolite ZSM-5 Grant 4,139,600 - Rollmann , et al. February 13, 1 | 1979-02-13 |
| ZSM-5 containing aluminum-free shells on its surface Grant 4,088,605 - Rollmann May 9, 1 | 1978-05-09 |
| Directed crystallization of synthetic aluminosilicates Grant 4,061,717 - Kerr , et al. December 6, 1 | 1977-12-06 |
| Manufacture of crystalline aluminosilicate zeolites Grant 3,939,246 - Rollmann February 17, 1 | 1976-02-17 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 