He; Yigong
Patent Applications and Registrations
Patent applications and USPTO patent grants for He; Yigong.The latest application filed is for "composite solid acid catalyst, preparing process and application in the alkylation".
- He; Yigong - Beijing CN
- He; Yigong - Bejing CN
- He; Yigong - Arlington TX
| Patent | Date |
|---|---|
| Composite solid acid catalyst, preparing process and application in the alkylation Grant 8,309,486 - He , et al. November 13, 2 | 2012-11-13 |
| Composite Solid Acid Catalyst, Preparing Process And Application In The Alkylation App 20110100876 - HE; Yigong ; et al. | 2011-05-05 |
| Process for alkylation of an aromatic hydrocarbon or isoalkane with an olefin over the catalysis of a solid acid Grant 7,674,945 - He , et al. March 9, 2 | 2010-03-09 |
| Process for alkylation of an aromatic hydrocarbon or isoalkane with an olefin over the catalysis of a solid acid App 20070118005 - He; Yigong ; et al. | 2007-05-24 |
| Process for alkylation of isoparaffin with olefin Grant 6,492,571 - He , et al. December 10, 2 | 2002-12-10 |
| Catalytic hydrodehalogenation of polyhalogenated hydrocarbons Grant 5,276,240 - Timmons , et al. January 4, 1 | 1994-01-04 |
| Zeolite catalyzed conversion of acetylene Grant 5,118,893 - Timmons , et al. June 2, 1 | 1992-06-02 |
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