Patents by Inventor Joachim Thiem

Joachim Thiem has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Galactosyl isomalt, method for production and use thereof
    Publication number: 20060008574
    Abstract: This invention concerns a method for preparation of galactosyl isomalt and galactosyl isomalt, the products and intermediate products that are obtained, and their use.
    Type: Application
    Filed: June 6, 2003
    Publication date: January 12, 2006
    Inventors: Alireza Begli, Michael Klingeberg, Markwart Kunz, Ralf Mattes, Sven Schroder, Joachim Thiem, Manfred Vogel
  • Alkyl 2-acetamido-2-deoxyglucopyranoside and methods of emulsifying
    Patent number: 6387961
    Abstract: Alkyl 2-acetamido-2-deoxy-D-glucopyranoside uronic acids, and their pharmaceutically or cosmetically acceptable salts, and their use as surface-active and/or interfacially active active compounds, in particular as detergent surfactants or emulsifiers.
    Type: Grant
    Filed: September 12, 2000
    Date of Patent: May 14, 2002
    Assignee: Beiersdorf AG
    Inventors: Günther Schneider, Hartmut Schmidt-Lewerkühne, Joachim Thiem, Oliver Scheel
  • Alkyl 2-acetamido-2-deoxyglucopyranoside uronic acids and derivatives, their preparation and their use as surfactants in cosmetic and pharmaceutical preparations
    Patent number: 6156326
    Abstract: Alkyl 2-acetamido-2-deoxy-D-glucopyranoside uronic acids, and their pharmaceutically or cosmetically acceptable salts, and their use as surface-active and/or interfacially active active compounds, in particular as detergent surfactants or emulsifiers.
    Type: Grant
    Filed: December 23, 1999
    Date of Patent: December 5, 2000
    Assignee: Beiersdorf AG
    Inventors: Gunther Schneider, Hartmut Schmidt-Lewerkuhne, Joachim Thiem, Oliver Scheel
  • Alkyl 2-acetamido-2-deoxyglucopyranoside uronic acids and their preparation
    Patent number: 6037460
    Abstract: Alkyl 2-acetamido-2-deoxy-D-glucopyranoside uronic acids, and their pharmaceutically or cosmetically acceptable salts, and their use as surface-active and/or interfacially active active compounds, in particular as detergent surfactants or emulsifiers.
    Type: Grant
    Filed: April 24, 1997
    Date of Patent: March 14, 2000
    Assignee: Beiersdorf AG
    Inventors: Gunther Schneider, Hartmut Schmidt-Lewerkuhne, Joachim Thiem, Oliver Scheel
  • Cosmetic or dermatological preparations containing glycoglycerolipids and their use as surfactants
    Patent number: 6030628
    Abstract: Cosmetic or pharmaceutical preparations, characterized by an effective content of pharmaceutically and/or cosmetically acceptable glycoglycerolipids.
    Type: Grant
    Filed: August 20, 1997
    Date of Patent: February 29, 2000
    Assignee: Beiersdorf AG
    Inventors: Gunther Schneider, Oliver Scheel, Joachim Thiem
  • Cosmetic formulations having an effective content of glycosyl glycerides
    Patent number: 5891854
    Abstract: Cosmetic ceutical formulations characterized by an effective, content of pharmaceutically and/or cosmetically unobjectionable hexosyl glycerides and/or (hexosyl)hexosyl glycerides.
    Type: Grant
    Filed: October 24, 1996
    Date of Patent: April 6, 1999
    Assignee: Beiersdorf AG
    Inventors: Joachim Thiem, Oliver Scheel, Gunther Schneider
  • Tocopheryl glycosides, their preparation, and their use as surfactants, as antioxidants and as the active substance preventing cell ageing in cosmetic or pharmaceutical preparations
    Patent number: 5780445
    Abstract: Tocopheryl glycosides of the general formula ##STR1## or of the general formula ##STR2## where n can adopt values of 0-6 and where R represents a radical from the group consisting of H, branched and unbranched alkyl of 1-18 carbon atoms, branched and unbranched acyl of 1-18 carbon atoms, and where R within one molecule can be identical in all positions of tie glycosyl groups, but can also adopt different meanings within one molecule, such that it is possible within one molecule to choose any desired combinations of the radicals represented.
    Type: Grant
    Filed: February 2, 1996
    Date of Patent: July 14, 1998
    Assignee: Beiersdorf AG
    Inventors: Gunther Schneider, Joachim Thiem, Martina Lahmann
  • High yield preparation of dimeric to decameric chitin oligomers
    Patent number: 5705634
    Abstract: The present invention is directed to a new process for the production of chitin oligomers, including fragmentation, partial hydrolysis and recovery. This process produces high yields, especially of higher (tetra- to deca-) chitin oligomers.
    Type: Grant
    Filed: March 2, 1995
    Date of Patent: January 6, 1998
    Assignee: PerImmune Holdings, Inc.
    Inventors: Reinhard Bredehorst, Nicholas Pomato, Oliver Scheel, Joachim Thiem
  • Process for the enzymatic synthesis of 2-deoxy-.beta.-D-galactosides
    Patent number: 5264352
    Abstract: The invention relates to a process for the enzymatic synthesis of 2-deoxy-.beta.-D-galactosides. The enzyme galactosyltransferase is able to catalyze the transfer of 2-deoxygalactose residues from the donor substrate uridine 5'-diphospho-2-deoxy-D-galactose to N-acetylglucosamine or aspartyl-N-acetylglucosamine or, in the presence of lactose, to terminal glucose.
    Type: Grant
    Filed: April 7, 1992
    Date of Patent: November 23, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Joachim Thiem, Torsten Wiemann
  • Process for the enzymatic preparation of disaccharide fluorides using .alpha.-glycosyl fluorides as substrates
    Patent number: 5068186
    Abstract: Disaccharide fluorides can be prepared by incubation of .alpha.-D-glycosyl fluorides in concentrated solutions with .alpha.-glycosidases.
    Type: Grant
    Filed: June 14, 1990
    Date of Patent: November 26, 1991
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Merten Schlingmann, Reinhold Keller, Matthias Wiesner, Wolfgang Treder, Joachim Thiem
  • Enzymatic synthesis of cyclodextrins using .alpha.-glucosyl fluoride as substrate for cyclodextrin .alpha.(1.fwdarw.4)glucosyltransferase
    Patent number: 4859590
    Abstract: .alpha.-Glucosyl fluoride can be converted in the presence of cyclodextrin .alpha.(1.fwdarw.4)glucosyltransferase into a mixture of .alpha.- and .beta.-cyclodextrins in high yield.
    Type: Grant
    Filed: July 31, 1987
    Date of Patent: August 22, 1989
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Joachim Thiem, Wolfgang Treder, Reinhold Keller, Merten Schlingmann
  • Diels-alder adduct from streptazoline and naphthoquinones and its oxidation products, which have cytotoxic and antimicrobial activity and which act against protozoa
    Patent number: 4849409
    Abstract: Streptazoline is reacted with naphthoquinones in a Diels-Alder reaction, and the adduct is then oxidized. The resulting compounds have cytotoxic activity, in particular against leukemia cells, and have an antimicrobial action and act against protozoa.
    Type: Grant
    Filed: May 12, 1987
    Date of Patent: July 18, 1989
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hans-Ullrich Hoppe, Susanne Grabley, Hartmut Voelskow, Merten Schlingmann, Hans P. Kraemer, Matthias Wiesner, Joachim Thiem
  • Process for the preparation of alkylated glycosyl fluorides free from hydroxyl groups
    Patent number: 4803263
    Abstract: Alkylated glycosyl fluorides free from hydroxyl groups can be prepared by converting glycosyl fluorides which still contain hydroxyl groups into the alkylated compounds in the manner of Williamson's ether synthesis in the presence of basic systems by means of alkylating agents.
    Type: Grant
    Filed: August 7, 1986
    Date of Patent: February 7, 1989
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Joachim Thiem, Hans-Matthias Deger, Wolfram Fritsche-Lang, Matthias Kreuzer
  • Process for the preparation of glycosyl fluorides protected on the oxygen
    Patent number: 4751291
    Abstract: Glycosyl halides which are O-acylated or O-alkylated at least in the 2-position are transhalogenated with alkali metal hydrogen difluorides in a polar-aprotic solvent and, if appropriate, the product is anomerized with the addition of less than the stoichiometric amounts of an inorganic fluoride with a Lewis acid character. Depending on the substrate, the glycosyl fluorides with the 1,2-trans or 1,2-cis configuration are obtained.
    Type: Grant
    Filed: September 12, 1986
    Date of Patent: June 14, 1988
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Joachim Thiem, Hans-Matthias Deger, Wolfram Fritsche-Lang, Matthias Kreuzer
  • Process for the preparation of glycosides from glycosyl fluorides
    Patent number: 4749785
    Abstract: A process for the manufacture of glycosides which comprises reacting a protected hexopyranosyl fluoride with an aglycon or a silyl ether thereof in the presence of a metal fluoride of group IV or V of the periodic table, said metal having an atomic number of at least 22 and being present in the fluoride in a higher, stable and non-oxidizing or weekly oxidizing stage.
    Type: Grant
    Filed: July 12, 1985
    Date of Patent: June 7, 1988
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Joachim Thiem, Wolfram Fritsche-Lang, Merten Schlingmann, Hans-Matthias Deger, Matthias Kreuzer
  • Process for the preparation of 1-azidoaldoses
    Patent number: 4659810
    Abstract: 1-Azidoaldoses are obtained by reacting 1-fluoroaldoses with metal azides in polar, water-miscible, preferably water-containing, solvents. The hydroxyl groups do not react at the same time, so that they need not be protected or can be present in a derivatized form.
    Type: Grant
    Filed: June 28, 1985
    Date of Patent: April 21, 1987
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Joachim Thiem, Hans-Matthias Deger, Cenek Kolar, Matthias Kreuzer