1
Regis J Pellet, Frank P Gortsema, Gary N Long, Jule A Rabo: Dewaxing catalysts and processes employing titanoaluminosilicate molecular sieves. Union Carbide Corporation, Vincent J Vasta Jr, August 11, 1987: US04686029 (85 worldwide citation)

Dewaxing processes for hydrocarbon feedstocks are disclosed using novel catalysts comprising titanoaluminosilicates. The products of the instant dewaxing processes are characterized by lower pour points than the hydrocarbon feedstock.


2
Donald F Best, Gary N Long, Regis J Pellet, Jule A Rabo, Edward T Wolynic, Frank P Gortsema, Albert R Springer: Hydrocracking catalyst and hydrocracking process. UOP, Vincent J Vasta Jr, January 30, 1990: US04897178 (57 worldwide citation)

A process for hydrocracking a crude oil feed, a hydrocracking catalyst employed therein, and a process for the preparation of this catalyst are disclosed. The hydrocracking catalyst comprises a zeolitic aluminosilicate which has an SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio of at least 6 and which has ...


3
Regis J Pellet, Jule A Rabo, Gary N Long, Frank P Gortsema, Albert R Springer: Dewaxing catalysts and processes employing silicoaluminophosphate molecular sieves. UOP, Vincent J Vasta Jr, Thomas K McBride, October 2, 1990: US04960504 (27 worldwide citation)

Dewaxing processes for hydrocarbon feedstocks are disclosed using novel catalysts comprising specific silicoaluminophosphates of U.S. Pat. No. 4,440,871. The products of the instant dewaxing processes are characterized by lower pour points than the hydrocarbon feedstock.


4
Frank P Gortsema, Regis J Pellet, Albert R Springer, Jule A Rabo, Gary N Long: Hydrocracking catalysts and processes employing non-zeolitic molecular sieves. UOP, Vincent J Vasta Jr, April 3, 1990: US04913799 (24 worldwide citation)

Hydrocracking processes are disclosed using novel catalysts comprising medium and large pore non-zeolitic molecular sieves selected from novel compositions such as the silicoaluminophosphates of U.S. Pat. No. 4,440,871, preferably in combination with traditional hydrocracking catalysts such as zeoli ...


5
Frank P Gortsema, Brent M Lok: Modification of aluminophosphate molecular sieves by treatment with a silicon tetrafluoride gas mixture. Union Carbide Corporation, Gary L Wamer, February 11, 1986: US04569833 (23 worldwide citation)

Described herein is a process for enhancing the hydrophobicity of crystalline molecular sieves and also crystalline molecular sieve compositions which have enhanced hydrophobic character and modified catalytic properties. The crystalline molecular sieves are contacted with a silicon tetrafluoride ga ...


6
Albert W Hawkins, Matthew J O Hara, Frank P Gortsema, Eddie Hedaya: Vapor deposition apparatus including fluid transfer means. Union Carbide Corporation, William Raymond Moran, December 21, 1976: US03998180 (23 worldwide citation)

An apparatus and process are provided for the safe, economic and pollution-free exposure of articles to reactive gaseous fluids to alter their surface characteristics. The articles are exposed to one or more fluids which are transferred back and forth from a reaction chamber to a holding chamber. As ...


7
Frank P Gortsema: Process for the preparation of fine grain metal carbide powders and sintered articles therefrom. Union Carbide Corporation, William Raymond Moran, February 26, 1980: US04190439 (16 worldwide citation)

Fine grain metal carbide powders are conveniently prepared from the corresponding metal oxide by heating in an atmosphere of methane in hydrogen. Sintered articles having a density approaching the theoretical density of the metal carbide itself can be fabricated from the powders by cold pressing, ho ...


8
Regis J Pellet, Jule A Rabo, Gary N Long, Frank P Gortsema, Albert R Springer: Dewaxing catalysts employing non-zeolitic molecular sieves. UOP, Vincent J Vasta Jr, November 14, 1989: US04880760 (14 worldwide citation)

Dewaxing processes for hydrocarbon feedstocks are disclosed using novel catalysts comprising non-zeolitic molecular sieves, such as the silicoaluminophosphates of U.S. Pat. No. 4,440,871. The products of the instant dewaxing processes are characterized by lower pour points than the hydrocarbon feeds ...


9
Frank P Gortsema: Process for the preparation of fine grain metal carbide powders. Union Carbide Corporation, William Raymond Moran, January 13, 1976: US03932594 (14 worldwide citation)

Fine grain metal carbide powders are conveniently prepared from the corresponding metal oxide by heating in an atmosphere of methane in hydrogen. Sintered articles having a density approaching the theoretical density of the metal carbide itself can be fabricated from the powders by cold pressing, ho ...


10
Frank P Gortsema, Regis Pellet, Albert R Springer, Jule A Rabo, Gary N Long: Hydrocracking catalyts and processes employing silicoaluminophosphate molecular sieves. UOP, Thomas K McBride, Vince J Vasta Jr, April 3, 1990: US04913798 (13 worldwide citation)

Hydrocracking processes are disclosed using catalysts comprising silicoaluminophosphates of U.S. Pat. No. 4,440,871 characterized in the calcined form by an adsorption oxygen of at least 4 isobutane of at least 2 percent by weight at a partial pressure of 500 torr and a temperature of 20.degree. C.