Clifford W Ward

US Patent:

46718648, Jun 9, 1987

Filed:

Jan 22, 1985

Appl. No.:

6/693438

Inventors:

William R. Sawran - Russell KY
Frank H. Turrill - Huntington WV
John W. Newman - Ashland KY
Norman W. Hall - Ashland KY
Clifford Ward - Louisa KY

Assignee:

Ashland Oil, Inc. - Ashland KY

International Classification:

D01F 912
C10C 302

US Classification:

208 22

Abstract:

Disclosed herein is an improved pitch for making readily stabilizable, substantially nonmesophasic carbon fibers. The pitch has a softening point of about 250. degree. C. (480. degree. F. ) or above and is produced from an unoxidized thermal petroleum pitch by selectively reducing or eliminating a portion of the low molecular weight materials in a very short period of time so that the tendency to produce mesophase pitch is eliminated or reduced and so that the chemical integrity of the components of the higher molecular weight fractions is preserved as much as possible. Also disclosed is a method of producing carbon fibers therefrom and rovings or mats from such fibers.

US Patent:

39805824, Sep 14, 1976

Filed:

Mar 3, 1975

Appl. No.:

5/554492

Inventors:

Gilbert P. Anderson - Ashland KY
Clifford Ward - Louisa KY

Assignee:

Ashland Oil, Inc. - Ashland KY

International Classification:

B01J 3118

US Classification:

252428

Abstract:

Disclosed is a catalyst and method for converting mercaptans and mercaptide compounds in aqueous alkaline solution to disulfides. Catalytic agent is metal compound of tetrapyridinoporphyrazine (TPPA) preferably impregnated on an inert granular support. Method comprises contacting mercaptans and mercaptide compounds in aqueous alkaline solution with air in the presence of the catalyst and subsequently separating alkaline solution from the resultant disulfide compounds.

US Patent:

44090927, Oct 11, 1983

Filed:

Oct 1, 1981

Appl. No.:

6/307468

Inventors:

Charles A. Johnson - Ashland KY
Clifford Ward - Louisa KY
Howard F. Moore - Ashland KY

Assignee:

Ashland Oil, Inc. - Ashland KY

International Classification:

C10G 4500
B07B 106

US Classification:

208 89

Abstract:

A combination process for upgrading hydrocarbon fractions obtained from raw shale oil, oil products of coal processing and select fractions of crude oils comprising sulfur, nitrogen and metal contaminants to produce jet fuel product fractions such as JP4, JP5, JP8 and other turbine-type fuel materials provided. The combination of integrated processing steps involving hydrotreating, acid extraction of basic nitrogen compounds and hydrofining thereof to produce a feed composition suitable for catalytic reforming in the absence of significant hydrocracking whereby jet fuel boiling range material is produced significantly reduces by the combination the hydrogen requirements of the process. A further significant contribution to the combination operation resides in the utilization of a catalytic cracking operation of restricted severity to particularly convert high-boiling portions of the hydrocarbon feed fractions to product boiling in the jet fuel boiling range desired before acid extraction of basic nitrogen compounds and further refining thereof as above provided by hydrotreating, reforming and hydrofining of the select product of the reforming operation. Thus, the combination operation of the invention substantially maximizes the yield of desired jet fuel products under hydrogenating conditions particularly conserving the consumption of hydrogen.