Title: Catalytic dewaxing process

Abstract: An improved process for catalytically hydrodewaxing a petroleum feedstock selected from a petroleum distillate or residual fraction, by contact of the feedstock and hydrogen with a catalyst is disclosed where the catalyst is a synthetic ferrierite zeolite having incorporated therewith at least one metal selected from the group consisting of Group VI B, Group VII B and Group VIII metals.

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Inventors: Winquist, Bruce H. C. (Houston, TX)

Application Number: 06/248653
Filing Date: 1981-03-27
Publication_date: 1982-08-10
Assignee: SHELL OIL CO

Primary Class(es): 208/111.150 208/18, 208/111.350
Other Classes: B01J29/12; B01J29/40; B01J29/48; B01J29/67; C10G45/64; B01J29/00; C10G45/58
US Patent Ref:

3539498	October, 1970	Morris et al.	208/111	CATALYTIC DEWAXING WITH THE USE OF A CRYSTALLINE ALUMINO ZEOLITE OF THE MORDENITE TYPE IN THE PRESEN
3620963	November, 1971	Mulaskey	208/111	CATALYTIC DEWAXING
3933974	January, 1976	Winquist	423/118	Process for the preparation of ferrierite
3966883	June, 1976	Vaughn et al.	423/329	Synthetic ferrierite synthesis
3970544	July, 1976	Rosinski et al.	208/111	Hydrocarbon conversion with ZSM-12
3980550	September, 1976	Gorring et al.	208/111	Catalytic hydrodewaxing
4000248	December, 1976	Martin	423/329	Synthesis of zeolites
4017590	April, 1977	Cormier et al.	423/329	Preparation of synthetic ferrierite
4229282	October, 1980	Peters et al.	208/111	Catalytic dewaxing of hydrocarbon oils
4251499	February, 1981	Nanne et al.	423/329	Process for the preparation of ferrierite
4259174	March, 1981	Chen et al.	208/111	Catalytic dewaxing of hydrocarbon oils

Other Refs:
Primary Examiner: Gantz, Delbert E.
Assistant Examiner: Schmitkons G. E.
Attorney: Vance, Dean F.

Claims:

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