Patents by Inventor Walter Boguth

Walter Boguth 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).

  • Pharmaceutical preparations
    Patent number: 4393057
    Abstract: Pharmaceutical preparations containing glycerol alkyl ethers as the solvent.
    Type: Grant
    Filed: April 26, 1982
    Date of Patent: July 12, 1983
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Walter Boguth, Georges Hirth
  • Pharmaceutical preparations
    Patent number: 4393073
    Abstract: Pharmaceutical preparations containing glycerol alkyl ethers as the solvent.
    Type: Grant
    Filed: April 26, 1982
    Date of Patent: July 12, 1983
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Walter Boguth, Georges Hirth
  • Pharmaceutical preparations
    Patent number: 4339447
    Abstract: Pharmaceutical preparations containing glycerol alkyl ethers as the solvent.
    Type: Grant
    Filed: January 27, 1981
    Date of Patent: July 13, 1982
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Walter Boguth, Georges Hirth
  • Novel reagent
    Patent number: 4307074
    Abstract: Novel reagents for the determination of Wassermann antibodies comprising a compound selected from those represented by the formula ##STR1## wherein n is a whole number from 12 to 16 inclusive andR is phenyl or substituted phenyl and salts thereof.
    Type: Grant
    Filed: September 13, 1979
    Date of Patent: December 22, 1981
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Richard Barner, Walter Boguth
  • Process for the manufacture of tertiary, optically active aliphatic compounds
    Patent number: 4305876
    Abstract: A process for asymmetrically hydrogenating through the use of microorganisms a double bond connected to tertiary carbon atom in an olefinic aliphatic compound to produce a tertiary, optically active aliphatic compound useful as an intermediate for optically active Vitamins E and K.
    Type: Grant
    Filed: November 24, 1978
    Date of Patent: December 15, 1981
    Assignee: Hoffmann-La Roche, Inc.
    Inventors: Richard Barner, Walter Boguth, Hans G. W. Leuenberger, Max Schmid, Reinhard Zell
  • Optically active cyclohexane derivatives
    Patent number: 4156100
    Abstract: A process for fermentatively hydrogenating and reducing ketoisophorone to produce optically active [4R,6R]-4-hydroxy-2,6,6-trimethyl-cyclohexanone useful as an intermediate in the production of optically active carotenoids and intermediates in the production of these carotenoids.
    Type: Grant
    Filed: November 7, 1977
    Date of Patent: May 22, 1979
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Walter Boguth, Hans G. W. Leuenberger, Hans J. Mayer, Erich Widmer, Reinhard Zell
  • Process for the manufacture of tertiary, optically active aliphatic compounds
    Patent number: 4138289
    Abstract: A process for asymmetrically hydrogenating through the use of microorganisms a double bond connected to tertiary carbon atom in an olefinic aliphatic compound to produce a tertiary, optically active aliphatic compound useful as an intermediate for optically active Vitamins E and K.
    Type: Grant
    Filed: May 2, 1977
    Date of Patent: February 6, 1979
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Richard Barner, Walter Boguth, Hans G. W. Leuenberger, Max Schmid, Reinhard Zell
  • Optically active cyclohexane derivatives
    Patent number: 4095038
    Abstract: A process for fermentatively hydrogenating and reducing ketoisophorone to produce optically active [4R,6R]-4-hydroxy-2,6,6-trimethyl-cyclohexanone useful as an intermediate in the production of optically active carotenoids and intermediates in the production of these carotenoids.
    Type: Grant
    Filed: July 20, 1976
    Date of Patent: June 13, 1978
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Walter Boguth, Hans Georg Wilhelm Leuenberger, Hans Johann Mayer, Erich Widmer, Reinhard Zell
  • Optically active cyclohexane derivatives
    Patent number: 4072715
    Abstract: A process for fermentatively hydrogenating and reducing ketoisophorone to produce optically active [4R,6R]-4-hydroxy-2,6,6-trimethyl-cyclohexanone useful as an intermediate in the production of optically active carotenoids and intermediates in the production of these carotenoids.
    Type: Grant
    Filed: July 20, 1976
    Date of Patent: February 7, 1978
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Walter Boguth, Hans G. W. Leuenberger, Hans J. Mayer, Erich Widmer, Reinhard Zell
  • Sunscreening compound and method
    Patent number: 4070450
    Abstract: Radiation screening preparations comprising a cosmetically acceptable carrier and, as the active ingredient, one or more compounds represented by the formula ##STR1## WHEREIN N IS 1, R.sub.1 is hydrogen, alkyl, alkali metal, ammonium or ammonium substituted with one or more alkyl or hydroxyalkyl residues, R.sub.2 is hydroxymethyl or alkoxymethyl and R.sub.3 is hydrogen; or R.sub.1 and R.sub.2 together constitute a methylene group and R.sub.3 is hydrogen, methyl or ethyl; and wherein n is 2, R.sub.1 is an alkaline earth metal, R.sub.2 is hydroxymethyl or alkoxymethyl and R.sub.3 is hydrogenAnd pharmaceutically acceptable acid addition salts thereof. The preparations may additionally contain other agents which are characterized by a maximum light absorption in the erythemal range. Certain novel compounds are disclosed.
    Type: Grant
    Filed: December 22, 1975
    Date of Patent: January 24, 1978
    Assignee: Hoffmann-La Roche, Inc.
    Inventors: Richard Barner, Walter Boguth
  • Optically active cyclohexane derivatives
    Patent number: 4026949
    Abstract: A process for fermentatively hydrogenating and reducing ketoisophorone to produce optically active [4R,6R]-4-hydroxy-2,6,6-trimethyl-cyclohexanone useful as an intermediate in the production of optically active carotenoids and intermediates in the production of these carotenoids.
    Type: Grant
    Filed: July 20, 1976
    Date of Patent: May 31, 1977
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Walter Boguth, Hans Georg Wilhelm Leuenberger, Hans Johann Mayer, Erich Widmer, Reinhard Zell
  • Optically active cyclohexane derivatives
    Patent number: 3988205
    Abstract: A process for fermentatively hydrogenating and reducing ketoisophorone to produce optically active [4R,6R]-4-hydroxy-2,6,6-trimethyl-cyclohexanone useful as an intermediate in the production of optically active carotenoids and intermediates in the production of these carotenoids.
    Type: Grant
    Filed: August 4, 1975
    Date of Patent: October 26, 1976
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Walter Boguth, Hans Georg Wilhelm Leuenberger, Hans Johann Mayer, Erich Widmer, Reinhard Zell