Patents by Inventor Marvin Sungwhan Yu

Marvin Sungwhan Yu 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).

  • Process and intermediates for preparing benzazepines
    Patent number: 7368566
    Abstract: Disclosed is a new process and intermediates for preparing benzazepines of Formula (I): wherein R1 and R2 are as defined herein.
    Type: Grant
    Filed: March 29, 2004
    Date of Patent: May 6, 2008
    Assignee: SmithKline Beecham Corporation
    Inventors: Jose J. Conde, Lewilynn L. Goldfinger, Michael A. McGuire, Susan C. Shilcrat, Michael D. Wallace, Marvin Sungwhan Yu
  • Novel process
    Publication number: 20040147754
    Abstract: 1
    Type: Application
    Filed: January 14, 2004
    Publication date: July 29, 2004
    Applicant: SmithKline Beecham plc
    Inventors: Victor Witold Jacewicz, Marvin Sungwhan Yu, Evgeny Shapiro
  • Process for making paroxetine
    Patent number: 6716985
    Abstract: Compounds of structure (1) are obtained by reduction of compounds of the structures: Compounds of structure (1), especially where Z is a hydrogen atom or a 3,4-methylenedioxyphenyl group, are important intermediates for inter alia paroxetine.
    Type: Grant
    Filed: May 3, 2002
    Date of Patent: April 6, 2004
    Assignee: SmithKline Beecham p.l.c.
    Inventors: Victor Withold Jacewicz, Marvin Sungwhan Yu, Evgeny Shapiro
  • Process
    Patent number: 6489347
    Abstract: Compounds of structure (1) are obtained by reduction of compounds of the structures Compounds of structure (1), especially where Z is a hydrogen atom or a 3,4-methylenedioxyphenyl group, are important intermediates for inter alia paroxetine.
    Type: Grant
    Filed: May 29, 1998
    Date of Patent: December 3, 2002
    Assignee: SmithKline Beecham plc
    Inventors: Victor Withold Jacewicz, Marvin Sungwhan Yu, Evgeny Shapiro
  • Novel process
    Publication number: 20020133011
    Abstract: 1
    Type: Application
    Filed: May 3, 2002
    Publication date: September 19, 2002
    Applicant: SmithKline Beecham plc
    Inventors: Victor Witold Jacewicz, Marvin Sungwhan Yu, Evgeny Shapiro
  • Process for preparing indane carboxylate and cyclopentano [6] pyridine derivatives
    Patent number: 6441173
    Abstract: This invention relates to an improved process for preparing (+) (1S,2R,3S)-3-[2-(2-hydroxyeth-1-yloxy)-4-methoxyphenyl]-1-(3,4-methylenedioxyphenyl)-5-(prop-1-yloxy)indane-2-carboxylic acid and pharmaceutically acceptable salts thereof, preferably the ethylene diamine 2:1 salt. This invention relates to novel intermediates useful in preparing (+) (1S,2R,3S)-3-[2-(2-hydroxyeth-1-yloxy)-4-methoxyphenyl]-1-(3,4-methylenedioxyphenyl)-5-(prop-1-yloxy)indane-2-carboxylic acid. This invention relates to an improved process for preparing (+) (1S,2R,3S)-3-(2-carboxymethoxy-4-methoxyphenyl)-1-(3,4-methylenedioxyphenyl)-5-(prop-1-yloxy)indane-2-carboxylic acid and pharmaceutically acceptable salts thereof, preferably the disodium salt. This invention relates to novel intermediates useful in preparing (+) (1S,2R,3S)-3-(2-carboxymethoxy-4-methoxyphenyl)-1-(3,4-methylenedioxyphenyl)-5-(prop-1-yloxy)indane-2-carboxylic acid.
    Type: Grant
    Filed: July 27, 2000
    Date of Patent: August 27, 2002
    Assignee: SmithKline Beecham Corporation
    Inventors: Jeffery L. Wood, Michael Anthony McGuire, Robert John Mills, Lendon Norwood Pridgen, Marvin Sungwhan Yu, Qiaogong Su
  • Process for preparing certain phenyl urea compounds
    Patent number: 6372933
    Abstract: This invention relates to a process for making certain phenyl urea compounds by using a Lewis acid to effect the ring opening of a benzoxazolinone by an amine.
    Type: Grant
    Filed: February 27, 2001
    Date of Patent: April 16, 2002
    Assignee: SmithKline Beecham Corporation
    Inventors: Neil H. Baine, Ann Marie Eldridge, Marvin Sungwhan Yu
  • Process of making 3-phenyl-1-methylenedioxyphenyl-indane-2-carboxylic acid derivatives
    Patent number: 6114549
    Abstract: Invented is an improved process for preparing aromatic ring-fused cyclopentane derivatives. Preferred compounds prepared by this invention are indane carboxylates and cyclopentano[b]pyridine derivatives. The most preferred compounds prepared by this invention are (+)(1S, 2R, 3S)-3-[2-(2-hydroxyeth-1-yloxy)4-methoxyphenyl]-1-(3,4-methylenedioxypheny l)-5-(prop-1-yloxy)indane-2-carboxylic acid and pharmaceutically acceptable salts thereof and (+)(1S, 2R, 3S)-3-(2-carboxymethoxy-4-methoxyphenyl)-1-(3,4-methylenedioxyphenyl)-5-(p rop-1-yloxy)indane-2-carboxylic acid and pharmaceutically acceptable salts thereof. Also invented are novel intermediates useful in preparing these compounds.
    Type: Grant
    Filed: May 8, 1998
    Date of Patent: September 5, 2000
    Assignee: SmithKline Beecham Corporation
    Inventors: Jeffery L. Wood, Michael Anthnoy McGuire, Robert John Mills, Lendon Norwood Pridgen, Marvin Sungwhan Yu, Qiaogong Su