Hearn; Dennis
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hearn; Dennis.The latest application filed is for "process for removal of mercaptans from hydrocarbon streams".
- Hearn; Dennis - Houston TX
- Hearn; Dennis - Seabrook TX
- Hearn; Dennis - Pasadena TX
| Patent | Date |
|---|---|
| Process for removal of mercaptans from hydrocarbon streams Grant 6,440,299 - Hearn , et al. August 27, 2 | 2002-08-27 |
| Process for removal of mercaptans from hydrocarbon streams App 20010050245 - Hearn, Dennis ; et al. | 2001-12-13 |
| Process for alkylation of benzene Grant 5,894,076 - Hearn , et al. April 13, 1 | 1999-04-13 |
| Process for concurrent selective hydrogenation of acetylenes and 1,2 butadine in hydrocarbon streams Grant 5,877,363 - Gildert , et al. March 2, 1 | 1999-03-02 |
| Hydrodesulfurization process utilizing a distillation column realtor Grant 5,779,883 - Hearn , et al. July 14, 1 | 1998-07-14 |
| Hydrogenation of unsaturated cyclic compounds Grant 5,773,670 - Gildert , et al. June 30, 1 | 1998-06-30 |
| Method for the preparation of dialkyl ethers Grant 5,684,213 - Nemphos , et al. November 4, 1 | 1997-11-04 |
| Reduction of nitrile contaminants by selective hydrogenation Grant 5,629,451 - Hearn , et al. May 13, 1 | 1997-05-13 |
| Etherification--hydrogenation process Grant 5,628,880 - Hearn , et al. May 13, 1 | 1997-05-13 |
| Gasoline desulfurization process Grant 5,597,476 - Hearn , et al. January 28, 1 | 1997-01-28 |
| Process for selective hydrogenation of highly unsaturated compounds and isomerization of olefins in hydrocarbon streams Grant 5,595,634 - Hearn , et al. January 21, 1 | 1997-01-21 |
| Catalytic distillation distribution structure Grant 5,523,062 - Hearn , et al. June 4, 1 | 1996-06-04 |
| Process for the removal of mercaptans and hydrogen sulfide from hydrocarbon streams Grant 5,510,568 - Hearn April 23, 1 | 1996-04-23 |
| Process for the preparation of ethyl benzene Grant 5,476,978 - Smith, Jr. , et al. December 19, 1 | 1995-12-19 |
| Method for removing contaminants from hydrocarbon streams Grant 5,446,231 - Arganbright , et al. August 29, 1 | 1995-08-29 |
| Catalytic distillation structure Grant 5,431,890 - Crossland , et al. July 11, 1 | 1995-07-11 |
| Alkylation of organic aromatic compounds Grant 5,321,181 - Smith, Jr. , et al. * June 14, 1 | 1994-06-14 |
| Catalytic distillation machine Grant 5,266,546 - Hearn November 30, 1 | 1993-11-30 |
| Alkylation of organic aromatic compounds Grant 5,176,883 - Smith, Jr. , et al. January 5, 1 | 1993-01-05 |
| Method for removal of dimethyl ether and methanol from C.sub.4 hydrocarbon streams Grant 5,122,236 - Smith, Jr. , et al. June 16, 1 | 1992-06-16 |
| Process for the preparation of cumene Grant 5,055,627 - Smith, Jr. , et al. October 8, 1 | 1991-10-08 |
| Transetherification method Grant 4,510,336 - Hearn April 9, 1 | 1985-04-09 |
| Process for producing high purity isoolefins and dimers thereof by dissociation of ethers Grant 4,447,668 - Smith, Jr. , et al. May 8, 1 | 1984-05-08 |
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