Patents by Inventor Zaigui Ge

Zaigui Ge has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Midbarrel hydrocracking catalyst and preparation thereof
    Patent number: 6043178
    Abstract: A midbarrel hydrocracking catalyst includes the following:a. 10-75% by weight of a Y-type molecular sieve;b. 10-25% by weight of a small pore alumina;c. 0-40% by weight of an amorphous aluminosilicate;d. 0-25 % by weight of a large pore alumina;e. 12-32% by weight of a Group VIB metal oxide, andf. 3-8% by weight of a Group VIII metal oxide.The Y-type molecular sieve is a high silica Y-type molecular sieve USSSY of a Na.sub.2 O content of no more than 0.2% by weight, a SiO.sub.2 to AJ.sub.2 O.sub.3 molar ratio of 6-40, a relative crystallinity of more than 80% and a unit cell size of 2.426-2.44 nm.
    Type: Grant
    Filed: November 9, 1995
    Date of Patent: March 28, 2000
    Inventors: Zaigui Ge, Minghua Guan, Yongkang Hu, Lianhui Ding