1
Horst Kruger, Wilhelm Berndt, Hans U Suss: Process for bleaching cellulose with organic peracid. Degussa Aktiengesellschaft, Cushman Darby & Cushman, August 23, 1983: US04400237 (22 worldwide citation)

Cellulose is bleached by means of an organic peracid in the acid region and subsequently by means of peroxide in the alkaline region. As peracid there is employed an acid which is produced from the corresponding carboxylic acid by reaction with hydrogen peroxide in the presence of a mineral acid. Th ...


2
Alois Gschwender, Detlef Walther, Horst Kruger, Rudiger Pawlischta: Brushless pump motor with built-in electronic control. Flux Gerate, Robert W Becker & Associates, December 17, 1991: US05073736 (16 worldwide citation)

A motor for a pump, especially a pump for a drum, barrel, or other tanks or containers. The motor has a housing in which a rotor is surrounded by a stator. The motor is an electronically commutated direct current motor that has no brushes. The switch or control device of the motor is an electronic s ...


3
Helmut Junkermann, Horst Kruger: Process for the detoxification of waste water containing phenol, phenol derivative or phenol and formaldehyde. Degussa, Cushman Darby & Cushman, January 25, 1983: US04370241 (16 worldwide citation)

Waste water containing phenol, phenol derivatives or phenol plus formaldehyde is purified by treating the waste water with hydrogen peroxide and either iron, copper or the complex salt sodium iron (III) ethylenediamine tetraacetate.


4
Horst Kruger, Wilhelm Berndt, Ursula Schwartzkopff, Franz J Reitter, Theodor Hopner, Hans Joachim Muhlig: Production of paper pulp from sugar mill bagasse. Millen & White, April 7, 1981: US04260452 (13 worldwide citation)

Paper pulp is produced by a process in which raw sugar mill bagasse is moist depithed, wet bulk stored in the presence of an inorganic and organic preservative, wet depithed by hydraulic shearing in the presence of an inorganic color remover, pulped, washed, cleaned and dewatered.


5
Horst Kruger, Hans Ulrich Suss, Gerhard Arnold, Sigrid Anspach, Ursula Schwartzkopff, Hans Jelitto: Process for the delignification and acid bleaching of cellulose with oxygen and hydrogen peroxide. Degussa Aktiengesellschaft, Cushman Darby & Cushman, December 2, 1986: US04626319 (13 worldwide citation)

A process for the delignification and bleaching of cellulose with oxygen and hydrogen peroxide, in which in a given case the delignification is carried out with oxygen in the presence of MgO, and the cellulose subsequently is bleached simultaneously with hydrogen peroxide and oxygen at a pH<5.


6
Helmut Junkermann, Horst Kruger: Process for the detoxification of waste water containing phenol, phenol derivative or phenol and formaldehyde. Deutsche Gold und Silber Scheideanstalt vormals Roessler, Cushman Darby & Cushman, July 20, 1982: US04340490 (12 worldwide citation)

Waste water containing phenol, phenol derivatives or phenol plus formaldehyde is purified by treating the waste water with hydrogen peroxide and either iron, copper or the complex salt sodium iron (III) ethylenediamine tetraacetate.


7
Horst Kruger: Vertical control rod for rapid and safe shut-off of nuclear reactors. Interatom Internationale Atomreaktorbau, Herbert L Lerner, January 13, 1976: US03932215 (6 worldwide citation)

Vertical control rod includes an absorber formed of flexible members and suspended by a traction device below the reactor core during operation of the reactor and a tensional spring for drawing the absorber into the reactor core to shut off the reactor. The control rod is operable independently of g ...


8
Heinz Haschke, Gerhard Morlock, Horst Kruger, Gerhard Hebbel: Process for dispersing undissolved solid, organic or inorganic colorant particles. Deutsche Gold und Silber Scheideanstalt vormals Roessler, Beveridge DeGrandi Kline Lunsford, November 16, 1976: US03992343 (6 worldwide citation)

Process for dispersing solid, organic or inorganic colorant particles or mixtures thereof in a system comprised mainly of water by mixing into the aqueous system about 0.05 to 10% by weight of at least one dispersing agent comprising a polymer derived from specified units containing carboxyl, carbox ...


9
Horst Kruger, Harald Eickholt: Overflow sieve. Hein Lehmann Trenn und Fordertechnik, Herbert Dubno, December 5, 1995: US05472608 (3 worldwide citation)

An overflow sieve in which the sieve bottom is in the form of a slotted hole sheet whose slots have a width less than 1.0 mm and a length of 0.5 to 4 mm or a fine hole sheet with noncircular holes of a greatest width or diameter of less than 2 mm.


10
Uwe Kuhl, Andreas Krause, Horst Kruger: Electromagnetic ball valve. Dragerwerk Aktiengesellschaft, McGlew and Tuttle, April 16, 1985: US04511118 (2 worldwide citation)

An electromagnetic ball valve for a flow medium under pressure such as a respirating gas for a respirator which must be adapted to use with a respirator which operates at a high frequency in the range of fifty times the usual frequency. Such ball valve must be employed in the breathing gas supply so ...