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Bernd Stein Patents
Inventor:
Stein; Bernd
Address:
Alsbach-Hahnlein, DE
No. of patents:
33
Patents:




Patent Number Title Of Patent Date Issued
7405327 Method for the continuous production of an amine July 29, 2008
Process for the continuous preparation of an amine by reaction of a primary or secondary alcohol, aldehyde and/or ketone with hydrogen and a nitrogen compound selected from the group consisting of ammonia, primary and secondary amines at a temperature in the range from 60 to 300.degree.
7345173 Work-up of the mother liquor obtained in the preparation of high-purity triethylenediamine March 18, 2008
In a process for the purification of triethylenediamine (TEDA) in which TEDA is vaporized and the gaseous TEDA is passed into a liquid solvent and is subsequently crystallized from this, the mother liquor obtained after the TEDA has been crystallized is extracted with an extractant w
7202049 Mitogen-activated protein kinase p38-2 and methods of use therefor April 10, 2007
Compositions and methods are provided for the treatment of diseases associated with mitogen activated protein kinase cascades. In particular, the mitogen-activated protein kinase p38-2, and polypeptide variants thereof that stimulate phosphorylation and activation of substrates such
7151177 Process for the preparation of highly pure triethylene diamine December 19, 2006
Highly pure triethylenediamine is obtained by a process in which triethylenediamine is freed from high boilers and then the triethylenediamine is vaporized from the mixture thus obtained and is passed into a liquid solvent. The process makes it possible in particular to obtain highly
7135166 Hair styling stick containing polyethylene glycols of different molecular weights November 14, 2006
The hair styling stick contains from 30 to 55 percent by weight of one or more polyethylene glycols with a molecular weight of from 2500 to 5000 g/mol; and from 40 to 70 percent by weight of at least one other polyethylene glycol with a molecular weight of from 570 to 800 g/mol toget
7115742 Process for the preparation of triethylenediamine (TEDA) from ethylenediamine October 3, 2006
A process for the preparation of triethylenediamine (TEDA) by reaction of ethylenediamine (EDA) in the presence of a zeolite catalyst, wherein the zeolite catalyst contains one or more metals M in oxidation states II, III or IV as oxides. The desired molar ratio of SiO.sub.2 to metal oxi
7108849 Hair wax product with reduced density September 19, 2006
The wax composition for styling human hair provides hold, strength and rigidity, includes at least one wax and/or waxy material, and has a density of less than or equal to 0.9 g/ml, after being foamed in a fluid or softened state with a gas, preferably air or a non-reactive gas, such
7037488 Hair wax product with reduced density May 2, 2006
A hair wax product is made by a process, in which a solid wax composition is heated to melt or soften it and then foamed with a gas in a mixer that applies shear energy to it. The gas is preferably air or a non-reactive gas, such as nitrogen. The gas is introduced to the liquified or sof
6958397 Method of selectively synthesizing triethylenediamine October 25, 2005
The present invention describes a process for the preparation of triethylenediamine by reacting piperazine over a zeolite catalyst which, in addition to SiO.sub.2, contains an oxide of at least one further divalent, trivalent or tetravalent metal M, wherein the zeolite has a molar Si
6893100 Methods and apparatus for automated brush assembly May 17, 2005
Methods and apparatus for automated brush assembly are disclosed. A method of end-rounding bristle ends with an abrasive surface in random orbital motion relative to bristle tufts held in a movable gripper is described. A novel tuft carrier adapted to hold a plurality of bristle tufts in
6880896 Device for manufacturing brush products April 19, 2005
A device for manufacturing brush products, in particular toothbrushes, with a bristle magazine having a feed chute for receiving filaments of precut length arranged in a dense array transverse to the longitudinal axis of the bristle magazine. The feed chute has a discharge opening which
6869148 Methods and devices for the manufacture of bristle products March 22, 2005
The invention is directed to a device for the manufacture of bristle products, in particular toothbrushes, with a feed unit for precut lengths of upstanding bristles arranged loosely in a supply duct, the bristles being routed directly to a picker segment picking up the bristles. The
6820941 Clamping devices November 23, 2004
A clamping device for restraining filament tufts in a bristle cluster includes fixed and movable clamping plates. The clamping plates have apertures that are aligned in the unloaded position and that are offset relative to each other in the loaded position. The movable clamping plates
6677130 Mitogen-activated protein kinase p38-2 and methods of use therefor January 13, 2004
Compositions and methods are provided for the treatment of diseases associated with mitogen activated protein kinase cascades. In particular, the mitogen-activated protein kinase p38-2, and polypeptide variants thereof that stimulate phosphorylation and activation of substrates such
6582679 Hair wax products containing waxes, non-volatile oils and volatile hydrophobic materials June 24, 2003
The wax product for treating or setting up a hairstyle or hairdo includes a composition containing at least one wax or wax-like substance, at least one non-volatile liquid hydrophobic oil and at least one volatile or easily volatilized hydrophobic substance that is a liquid or gas at roo
6562971 Process for the preparation of triethylenediamine (TEDA) May 13, 2003
A process for the preparation of triethylenediamine (TEDA) by reaction of ethylenediamine (EDA) in the presence of a zeolite catalyst, wherein the zeolite catalyst comprises one or more metals M in oxidation states II, III or IV as oxides, and for M=Al, has an SiO.sub.2 /M.sub.2 O.sub.
6555688 Method for the production of triethylene diamine making use of ethylene diamine April 29, 2003
The invention in question is concerned with a method for the production of triethylene diamine using ethylene diamine as an educt and zeolite catalysts of the Pentasil type.
6552194 Process for the preparation of pure triethylenediamine (TEDA) April 22, 2003
The invention relates to the preparation of pure triethylenediamine (TEDA) by evaporating TEDA from the mixture comprising a solvent or diluent, where the solvent or diluent has a boiling point at atmospheric pressure in the range from 175 to 250.degree. C., passing the vapor-form TEDA i
6444455 Mitogen-activated protein kinase P38-2 and methods of use therefor September 3, 2002
Compositions and methods are provided for the treatment of diseases associated with mitogen activated protein kinase cascades. In particular, the mitogen-activated protein kinase p38-2, and polypeptide variants thereof that stimulate phosphorylation and activation of substrates such
6348607 Method for oxidizing an organic compound having at least one C-C double bond February 19, 2002
In a process for oxidizing an organic compound containing at least one C--C double bond, or a mixture of two or more thereof, which comprises the step (II) below:(II) reaction of the organic compound or the mixture of two or more thereof with a medium comprising molecular oxygen in the p
6328950 Pigment-containing foamable gel and device producing a foam from said gel December 11, 2001
The pigment-containing foamable gel for temporarily coloring the hair contains from 35 to 98 percent by weight water; one or more gel-forming thickener that imparts a yield point to the composition; at least one pigment; at least one film-forming, hair-fixing polymer; at least one fo
6295854 Device and method for moulding a grooved structure into a tubular workpiece October 2, 2001
According to the invention, a press roller device (1) for molding a grooved structure inside a tubular workpiece (7) has several press rollers (4,5,6), said press rollers rotating around a form tool (2) and being staggered axially in relation to one another. At least two of the press
6253589 Flow-turning device and method for producing internally geared wheels using two sets of internal July 3, 2001
The invention relates to a flowturning device (1; 101) for producing an internal geared wheel (17) with inner toothing, one set of which is slanted. The workpiece (9) is held by a retaining member (16; 116) during shaping of the first inner toothing. The workpiece (9) is held by the
6074862 Mitogen-activated protein kinase kinase MEK6 and variants thereof June 13, 2000
Compositions and methods are provide for potentiating the activity of the mitogen-activated protein kinase p38. In particular the mitogen-activated protein kinase kinase MEK6, and variants thereof that stimulate phosphorylation of p38 are provided. Such compounds may be used, for exa
6038901 Method and device for producing press-rolled pipes with inner wall thickenings at the ends March 21, 2000
A method for producing press-rolled tubes (3) with a press mandrel (1) and one or more pressure rollers (2), with the tube (3) being arranged between the press mandrel (1) and the pressure rollers (2) and being plastically deformed by means of force loading of the pressure rollers (2). T
6026666 Method for manufacturing internally geared parts February 22, 2000
A flow-turning process for manufacturing internally geared parts, including a press mandrel (10) comprising a mandrel (1) on which is fitted a forming tool (2) and one or more pressure rollers (3). A workpiece (4) is held between the forming tool (2) or press mandrel (10) and press rolle
6017518 Silicone-containing hair treatment composition January 25, 2000
The hair treatment composition includes (A) at least one polydimethylsiloxane with hydroxy end groups, advantageously .alpha.-hydroxy-.omega.-hydroxy-poly[oxy(dimethylsilylene)]; (B) at least one volatile, linear or cyclic polydimethylsiloxane, advantageously octamethylcyclotetrasilo
5948885 Mitogen-activated protein kinase p38-2 and methods of use therefor September 7, 1999
Compositions and methods are provided for the treatment of diseases associated with mitogen activated protein kinase cascades. In particular, the mitogen-activated protein kinase p38-2, and polypeptide variants thereof that stimulate phosphorylation and activation of substrates such
5833968 Aqueous composition for fixing hair in the form of a high viscous sprayable gel November 10, 1998
The aqueous hair fixing composition is in the form of a highly viscous sprayable gel and contains 0.1 to 50 percent by weight of one or more disaccharides or a mixture of 2 to 37 percent by weight of one or more disaccharides and 63 to 98 percent by weight of one or more oligosacchar
5690924 Hair treatment compositions November 25, 1997
The hair treatment composition is based on a polymer combination including (A) 0.01 to 40 percent by weight of a salt formed from a chitosan having a molecular weight of at least 100,000 g/mol and 2-pyrrolidon-5-carboxylic acid, and (B) 0.01 to 50 percent by weight of at least one synthe
5117612 Method and apparatus for controlling the movement of cross-welding jaws of a tubular bagging mac June 2, 1992
In order to avoid in a tubular bagging machine the disadvantages resulting from the state of the art through a cam-plate control of cross-welding jaws, it is suggested according to the invention, that the control of the movement of the cross-welding jaws occurs in dependency on the conta
4952343 Process for the manufacture of thin plates with low binding strength August 28, 1990
Very thin plates of ceramic material with low binding strength are difficult to manufacture, since the stability of the moldings is very low, so that they can hardly be fed to a subsequent treatment stage after shaping. Therefore, after the ceramic material is molded into plate-shaped
4885900 Driving method and system for controlling a tubular-bag machine December 12, 1989
A driving method and system for controlling the operating characteristics of a tubular-bag machine, in which a tubular bag is closed off at the bottom end so as to be fillable with packing material through a fill pipe. An intermittently moved thin foil tube is for this purpose guided


 
 
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