Patents by Inventor Kurt Wachholder

Kurt Wachholder 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).

  • Pure chelation process
    Patent number: 10258980
    Abstract: The present invention relates to metal complexes and methods of synthesizing the metal complexes. The invention is further directed to pharmaceutical and/or dietary supplement composition comprising compounds synthesized as described herein.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: April 16, 2019
    Assignee: C Lab Pharma International, S.A.
    Inventors: Charles Louis Albartus Barker, Siead Zegar, Kurt Wachholder
  • PURE CHELATION PROCESS
    Publication number: 20170274370
    Abstract: The present invention relates to metal complexes and methods of synthesizing the metal complexes. The invention is further directed to pharmaceutical and/or dietary supplement composition comprising compounds synthesized as described herein.
    Type: Application
    Filed: September 8, 2015
    Publication date: September 28, 2017
    Inventors: Charles Louis Albartus Barker, Siead Zegar, Kurt Wachholder
  • Methods Of Preparing Thiazolidines
    Publication number: 20110184185
    Abstract: The present invention provides methods of preparing thiazolidines, and in particular methods of preparing ribose-cysteine.
    Type: Application
    Filed: January 28, 2011
    Publication date: July 28, 2011
    Applicant: MAX INTERNATIONAL, LLC
    Inventors: Herbert T. Nagasawa, Kurt Wachholder
  • Method for the purification of N-[N-(3,3-dimethylbutyl)-L-&agr;-aspartyl]-L-phenylalanine 1-methyl ester
    Patent number: 6784309
    Abstract: This invention relates to the purification of N-[N-(3,3-dimethylbutyl)-L-&agr;-aspartyl]-L-phenylalanine 1-methyl ester by slurrying a mixture containing N-[N-(3,3-dimethylbutyl)-L-&agr;-aspartyl]-L-phenylalanine 1-methyl ester with organic or aqueous organic solvents.
    Type: Grant
    Filed: April 14, 2000
    Date of Patent: August 31, 2004
    Assignee: The Nutrasweet Company
    Inventors: Indra Prakash, Kurt Wachholder
  • Purification of N-[N-(3,3-dimethylbutyl)-L-&agr;-aspartyl]-L-phenylalanine 1-methyl ester via crystallization
    Patent number: 6423864
    Abstract: N-[N-(3,3-dimethylbutyl)-L-&agr;-aspartyl]-L-phenylalanine 1-methyl ester is crystallized in order to give highly pure product in high yield. In a preferred embodiment of the present invention, N-[N-(3,3-dimethylbutyl)-L-&agr;-aspartyl]-L-phenylalanine 1-methyl ester is crystallized directly from an aqueous methanol reaction mixture.
    Type: Grant
    Filed: November 24, 1999
    Date of Patent: July 23, 2002
    Assignee: The NutraSweet Company
    Inventors: Indra Prakash, Christine M. V. Moore, Kurt Wachholder
  • Method for the purification of N-[N-(3,3-Dimethylbutyl)-L-a-Aspartyl]-L-Phenylalanine 1-Methyl Ester
    Publication number: 20020038046
    Abstract: This invention relates to the purification of N-[N-(3,3-dimethylbutyl)-L-&agr;-aspartyl]-L-phenylalanine 1-methyl ester by slurrying a mixture containing N-[N-(3,3-dimethylbutyl)-L-&agr;-aspartyl]-L-phenylalanine 1-methyl ester with organic or aqueous organic solvents.
    Type: Application
    Filed: April 14, 2000
    Publication date: March 28, 2002
    Inventors: Indra Prakash, Kurt Wachholder
  • Co-crystallization of sugar and n-[n-(3,3-dimethylbutyl)-l &agr;aspartyl]-l-phenylalanine 1-methyl ester
    Patent number: 6214402
    Abstract: This disclosure relates to the co-crystallization of N-[N-(3,3-dimethylbutyl)-L-&agr;-aspartyl]-L-phenylalanine 1-methyl ester with sugar in various ratios. The sugar co-crystallized sweetener is very soluble in water and has no dusting problems.
    Type: Grant
    Filed: September 17, 1998
    Date of Patent: April 10, 2001
    Assignee: The NutraSweet Company
    Inventors: Jim Fotos, Ihab E. Bishay, Indra Prakash, Kurt Wachholder, Nitin Desai