1
August Sommer, Rainer Brucker, Wilhelm Heitmann, Norbert Wozny: Distillation process for the production of dehydrated ethanol. Chemische Werke Huls Aktiengesellschaft, Oblon Fisher Spivak McClelland & Maier, September 17, 1985: US04541897 (102 worldwide citation)

A distillation process for the production of dehydrated ethanol from dilute aqueous solutions of ethanol characterized in that the distillation is performed in a two-column system wherein the first column--for rectification--is operated under such a pressure that the second column--for dehydration-- ...


2
Amrehn Hermann: Method and system for the automatic control of chemical plants with parallel-connected computer backup system. Chemische Werke Huls Aktiengesellschaft, January 18, 1972: US3636331 (70 worldwide citation)

A method and system for the automatic control and regulation of chemical processes in chemical plants using digital process computers which comprises operating at least two identical computers in parallel, each equipped with an operating core storage means (principal memory means) and a mass storage ...


3
Gernot Horlbeck, Klaus Burzin, Roland Feinauer: Process for the manufacture of high molecular weight poly-(ethylene terephthalate). Chemische Werke Huls Aktiengesellschaft, Millen & White, June 17, 1980: US04208527 (49 worldwide citation)

In a process for preparing high molecular weight poly-(ethylene terephthalate) in two stages, comprising, in the first stage, reacting a dialkyl ester of terephthalic acid with ethylene glycol in the presence of 35 to 290 ppm of manganese, in the form of a manganese-II salt effective as a catalyst, ...


4
Rudolf Brockhaus, Hans Jurgen Franke: Process for the manufacture of mixtures of formaldehyde and methanol by partial oxidation of methane. Chemische Werke Huls Aktiengesellschaft, Craig & Antonelli, January 6, 1981: US04243613 (39 worldwide citation)

A continuous process for the partial oxidation of methane to produce mixtures of formaldehyde and methanol wherein methane and an oxidizing gas are reacted in a reaction zone in the form of a flame and the resulting reaction mixture is cooled followed by separation of the resulting products, is furt ...


5
Hellemanns Gerhard, Rohl Hermann, Hegenberg Peter, Eversmann Werner: Process for the continuous production of saturated aliphatic dicarboxylic acids. Chemische Werke Huls Aktiengesellschaft, Millen Raptes & White, April 29, 1975: US3880921 (39 worldwide citation)

Process and apparatus for the continuous production of saturated aliphatic dicarboxylic acids by the catalyzed nitric acid oxidation of the corresponding cycloalkanols and cycloalkanones with recirculation of the reaction sludge and the reaction gases, which comprises cooling the reaction sludge by ...


6
Streck Roland, Weber Heinrich: Process for the production of polymeric hydrocarbons having reactive silyl end groups. Chemische Werke Huls Aktiengesellschaft, Mille Raptes & White, December 31, 1974: US3857825 (38 worldwide citation)

Polymeric hydrocarbons having reactive silyl end groups are produced by conducting a catalyzed ring opening polymerization of a cyclic olefin in the presence of, or reacting with a polymeric hydrocarbon having an unsubstituted non-conjugated ethylenic double bond in a polymer unit thereof, an organi ...


7
Streck Roland, Weber Heinrich: Process for the production of polymeric hydrocarbons having reactive silyl end groups. Chemische Werke Huls Aktiengesellschaft, Millen Raptes & White, December 30, 1975: US3929850 (36 worldwide citation)

Polymeric hydrocarbons having reactive silyl end groups are produced by conducting a catalyzed ring opening polymerization of a cyclic olefin in the presence of, or reacting with a polymeric hydrocarbon having an unsubstituted non-conjugated ethylenic double bond in a polymer unit thereof, an organi ...


8
Reich Manfred, Muller Wolfgang, ZUR Hausen Manfred: Hydrogenation catalysts and process for the removal of aldehydes and ketones from gaseous streams rich in carbon monoxide. Chemische Werke Huls Aktiengesellschaft, Wells Gilbert L, December 9, 1975: US3925490 (35 worldwide citation)

Aldehydes and ketones contained in gaseous streams rich in carbon monoxide, such as produced in the Oxo process, are selectively hydrogenated to alcohols on copper/chromium supported catalysts.


9
Roland Streck, Heinrich Weber: Catalyst for the preparation of polyalkenamers. Chemische Werke Huls Aktiengesellschaft, Millen Raptes & White, August 10, 1976: US03974092 (33 worldwide citation)

For the production of polyalkenamers there are provided catalysts consisting essentially of a catalyst system for the ring-opening polymerization of cyclic olefins consisting essentially of (1) a tungsten or molybdenum compound; (2) an organoaluminum compound; and (3) an ether of vinyl alcohol, of a ...


10
Josef Disteldorf, Werner Hubel, Elmar Wolf: Process for the trimerization of diisocyanates. Chemische Werke Huls Aktiengesellschaft, Oblon Fisher Spivak McClelland & Maier, June 12, 1984: US04454317 (29 worldwide citation)

In a process for the trimerization of diisocyanates in the presence of a catalyst comprising quaternary ammonium salts of organic acids having the formula: ##STR1## wherein X represents the same or different radicals selected from the group consisting of C.sub.1 -C.sub.20 alkyl, C.sub.3 -C.sub.8 cyc ...



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