1
Chee Gen Wan: Process for the preparation of ethanol from methanol, carbon monoxide _and hydrogen. The Halcon SD Group, William C Long, Riggs T Stewart, Daniel R Zirker, February 5, 1985: US04497967 (154 worldwide citation)

An integrated process for the preparation of ethanol from methanol, carbon monoxide and hydrogen feedstock is disclosed; the process featuring the steps of esterifying methanol and acetic acid to form methyl acetate; carbonylating the methyl acetate to form acetic anhydride; esterifying acetic anhyd ...


2
Anne M Gaffney, John A Sofranko: Production of olefins. Arco Chemical Technology, William C Long, December 15, 1992: US05171921 (72 worldwide citation)

A steam activated catalyst containing phosphorus and H-ZSM-5 may be used to convert higher hydrocarbons to lower olefins, especially ethylene, propylene, butylenes and pentenes at a preferred temperature range of 500.degree. to 700.degree. C. and a preferred WHSV range of 10 to 1000 hr..sup.-1. Cata ...


3
David W Leyshon, John A Sofranko, C Andrew Jones: Enhanced production of ethylene from higher hydrocarbons. Arco Chemical Technology, William C Long, June 25, 1991: US05026935 (65 worldwide citation)

The present invention provides a process for the preparation of ethylene from C.sub.4 or higher feed by a combination of cracking and metathesis wherein higher hydrocarbon is cracked to form ethylene and propylene and at least a portion of the propylene is metathesized to ethylene.


4
David W Leyshon, Glenn E Cozzone: Production of olefins from a mixture of Cu.sup.+ olefins and paraffins. Arco Chemical Technology, William C Long, August 27, 1991: US05043522 (58 worldwide citation)

The present invention relates to the conversion of saturated paraffin hydrocarbons having 4 or more carbon atoms to olefins having fewer carbon atoms. In particular, the invention provides for contact of a mixture of 40 to 95 wt % paraffin hydrocarbons having 4 or more carbon atoms and 5 to 60 wt % ...


5
Howard P Withers Jr: Methane conversion process. Atlantic Richfield Company, William C Long, September 28, 1999: US05959170 (55 worldwide citation)

A method for converting methane to higher hydrocarbon products and coproduct water wherein a gas comprising methane and a gaseous oxidant are contacted with a nonacidic catalyst at temperatures within the range of about 700 to 1200.degree. C. A preferred catalyst comprises an alkali component associ ...


6
David W Leyshon, John A Sofranko, C Andrew Jones: Enhanced production of propylene from higher hydrocarbons. Arco Chemical Technology, William C Long, June 25, 1991: US05026936 (55 worldwide citation)

The present invention provides a process for the preparation of propylene from C.sub.4 or higher feed by a combination of cracking and metathesis wherein higher hydrocarbon is cracked to form ethylene and propylene and at least a portion of the ethylene is metathesized to propylene.


7
Joseph X McDermott: Preparation of maleic anhydride. Halcon Research and Development Corporation, William C Long, David Dick, Riggs T Stewart, April 24, 1979: US04151116 (48 worldwide citation)

A catalyst for the oxidation of butane to produce maleic anhydride comprising a substrate containing phosphorus and vanadium, and optionally also containing an activator, is characterized by the presence of at least one post-deposited promoter.


8
James Leacock: Process for oxidation of hydrocarbons. Halcon Research and Development, William C Long, David Dick, Jack B Murray Jr, April 21, 1981: US04263448 (48 worldwide citation)

An oxidizable hydrocarbon is oxidized in a reaction zone at elevated temperature in the presence of a liquid reaction medium by introducing the hydrocarbon and a feed stream containing molecular oxygen to the reaction zone under conditions sufficient to oxidize at least a portion of the hydrocarbon; ...


9
Thomas I Evans, Lawrence J Karas, Ramesh Rameswaran: Selective olefin oligomerization. Arco Chemical Technology, William C Long, April 23, 2002: US06376731 (46 worldwide citation)

A process is provided for the production of a gasoline blending fraction rich in isooctane by the dimerization of isobutylene using tertiary butyl alcohol modifier and lower alkane diluent; advantageously the isobutylene is derived from the dehydration of tertiary butyl alcohol.


10
Nabil Rizkalla: Process for preparing carboxylic acid anhydrides. Halcon International, William C Long, David Dick, Riggs T Stewart, September 19, 1978: US04115444 (42 worldwide citation)

A carboxylic acid anhydride such as acetic anhydride, is prepared from a carboxylate ester or a hydrocarbyl ether in carbonylation processes comprising the use of a halide, carbon monoxide and a Group VIII noble metal in the presence of promoters comprising at least one metal of Groups IVB, VB, and ...