Issued Patents All Time
Showing 26–50 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7445859 | Organic fuel cell methods and apparatus | Eugene Vamos, Subbarao Surampudi, Sekharipuram R. Narayanan, Harvey A. Frank, Gerald Halpert +1 more | 2008-11-04 |
| 7378561 | Method for producing methanol, dimethyl ether, derived synthetic hydrocarbons and their products from carbon dioxide and water (moisture) of the air as sole source material | Robert Aniszfeld | 2008-05-27 |
| 7147958 | Membrane electrode assembly for a fuel cell | Surya Prakash, Sekharipuram R. Narayanan, Anthony Atti, Marshall C. Smart | 2006-12-12 |
| 7119232 | Nucleophilic substitution reactions of difluorormethyl phenyl sulfone with alkyl halides leading to the facile synthesis of terminal 1,1-difluoro-1-alkenes and difluoromethylalkanes | G. K. Surya Prakash, Jinbo Hu, Ying Wang | 2006-10-10 |
| 7087789 | Methods for nucleophilic fluoromethylation | G. K. Surya Prakash, Jinbo Hu | 2006-08-08 |
| 7038099 | Environmentally safe alkylation of aliphatic and aromatic hydrocarbons with olefins using solid HF-equivalent catalysts | — | 2006-05-02 |
| 6872855 | Method for expedient synthesis of [18F]-labeled α-trifluoromethyl ketones | G. K. Surya Prakash, Mian Alauddin, Jinbo Hu, Peter S. Conti | 2005-03-29 |
| 6821659 | Organic fuel cell methods and apparatus | Subbarao Surampudi, Sekharipuram R. Narayanan, Eugene Vamos, Harvey A. Frank, Gerald Halpert +1 more | 2004-11-23 |
| 6803477 | Magnesium mediated preparation of fluorinated alkyl silanes | G. K. Surya Prakash, Jinbo Hu | 2004-10-12 |
| 6740434 | Organic fuel cell methods and apparatus | Subbarao Surampudi, Sekharipuram R. Narayanan, Eugene Vamos, Harvey A. Frank, Gerald Halpert +1 more | 2004-05-25 |
| 6677269 | Environmentally safe alkylation of aliphatic and aromatic hydrocarbons with olefins using solid HF-equivalent catalysts | — | 2004-01-13 |
| 6444343 | Polymer electrolyte membranes for use in fuel cells | G. K. Surya Prakash, Marshall C. Smart, Sekharipuram R. Narayanan, Qungie J. Wang, Subbarao Surumpudi +1 more | 2002-09-03 |
| 6248460 | Organic fuel cell methods and apparatus | Subbarao Surampudi, Sekharipuram R. Narayanan, Eugene Vamos, Harvey A. Frank, Gerald Halpert +1 more | 2001-06-19 |
| 6018088 | Superacid catalyzed formylation-rearrangement of saturated hydrocarbons | — | 2000-01-25 |
| 5928806 | Recycling of carbon dioxide into methyl alcohol and related oxygenates for hydrocarbons | G. K. Surya Prakash | 1999-07-27 |
| 5922635 | Nanoscale solid superacid catalysts with pendant fluoroalkylsulfonic acid or fluoro, perfluoroalkylsulfonic acid groups | G. K. Surya Prakash | 1999-07-13 |
| 5599638 | Aqueous liquid feed organic fuel cell using solid polymer electrolyte membrane | Subbarao Surampudi, Sekharipuram R. Narayanan, Eugene Vamos, Harvey A. Frank, Gerald Halpert +1 more | 1997-02-04 |
| 5520710 | Cleaner burning and cetane enhancing diesel fuel supplements | — | 1996-05-28 |
| 5396218 | Portable security system using communicating cards | — | 1995-03-07 |
| 5290428 | Superacid catalyzed hydrocracking of heavy oils and bitumens | Otto P. Strausz, Thomas W. Mojelsky, John Donald Payzant, Surya Prakash | 1994-03-01 |
| 5110778 | Boron aluminum and gallium perfluoro alkanesulfonate and resinsulfonate catalysts | — | 1992-05-05 |
| 5073674 | Environmentally safe catalytic alkyation using liquid onium poly (hydrogen fluorides) | — | 1991-12-17 |
| 4861923 | Hydration of propylene to isopropyl alcohol over solid superacidic perfluorinated sulfonic acid catalysts | — | 1989-08-29 |
| 4814544 | Isomerization of butane | — | 1989-03-21 |
| 4737594 | Process for the manufacture of vinyl chloride | — | 1988-04-12 |