Patents by Inventor Richard A. Partyka

Richard A. Partyka 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).

  • Patent number: 8770884
    Abstract: The invention relates to an elastomeric joint, comprising a housing with a through-opening which extends axially along the longitudinal axis of the elastomeric joint, a pivot pin which extends through the through-opening of the housing, an elastomeric body which is fastened to the pivot pin and is arranged radially between the pivot pin and the housing, and with at least one supporting ring which is fastened to the elastomeric body on one end face of the through-opening, wherein a wire ring locks the supporting ring with respect to the housing, with the result that the pivot pin is held in the housing in an axially secured manner.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: July 8, 2014
    Assignee: TRW Automotive GmbH
    Inventors: Cengiz Erdogan, Richard Partyka
  • Publication number: 20120107038
    Abstract: The invention relates to an elastomeric joint, comprising a housing with a through-opening which extends axially along the longitudinal axis of the elastomeric joint, a pivot pin which extends through the through-opening of the housing, an elastomeric body which is fastened to the pivot pin and is arranged radially between the pivot pin and the housing, and with at least one supporting ring which is fastened to the elastomeric body on one end face of the through-opening, wherein a wire ring locks the supporting ring with respect to the housing, with the result that the pivot pin is held in the housing in an axially secured manner.
    Type: Application
    Filed: March 30, 2010
    Publication date: May 3, 2012
    Applicant: TRW AUTOMOTIVE GMBH
    Inventors: Cengiz Erdogan, Richard Partyka
  • Publication number: 20030166590
    Abstract: Nucleic acid sequences, particularly DNA sequences, coding for all or part of the high molecular weight subunit of microsomal triglyceride transfer protein, expression vectors containing the DNA sequences, host cells containing the expression vectors, and methods utilizing these materials. The invention also concerns polypeptide molecules comprising all or part of the high molecular weight subunit of microsomal triglyceride transfer protein, and methods for producing these polypeptide molecules. The invention additionally concerns novel methods for preventing, stabilizing or causing regression of atherosclerosis and therapeutic agents having such activity. The invention concerns further novel methods for lowering serum liquid levels and therapeutic agents having such activity.
    Type: Application
    Filed: August 21, 2001
    Publication date: September 4, 2003
    Inventors: John R. Wetterau, Daru Young Sharp, Richard E. Gregg, Scott A. Biller, John K. Dickson, R. Michael Lawrence, John E. Lawson, Henry M. Holava, Richard A. Partyka
  • Patent number: 6066650
    Abstract: Compounds are provided which inhibit microsomal triglyceride transfer protein and thus are useful for lowering serum lipids and treating atherosclerosis and related diseases. The compounds have the structure ##STR1## wherein R.sup.1 to R.sup.7, Q, X and Y are as defined herein.
    Type: Grant
    Filed: July 21, 1997
    Date of Patent: May 23, 2000
    Assignee: Bristol-Myers Squibb Company
    Inventors: Scott A. Biller, John K. Dickson, R. Michael Lawrence, David R. Magnin, Michael A. Poss, Richard B. Sulsky, Joseph A. Tino, John E. Lawson, Henry M. Holava, Richard A. Partyka
  • Patent number: 6034098
    Abstract: Compounds are provided which inhibit microsomal triglyceride transfer protein and thus are useful for lowering serum lipids and treating atherosclerosis and related diseases. The compounds have the structure ##STR1## wherein R.sup.1 to R.sup.7, Q, X and Y are as defined herein.
    Type: Grant
    Filed: July 21, 1997
    Date of Patent: March 7, 2000
    Assignee: Bristol-Myers Squibb Company
    Inventors: Scott A. Biller, John K. Dickson, R. Michael Lawrence, David R. Magnin, Michael A. Poss, Richard B. Sulsky, Joseph A. Tino, John E. Lawson, Henry M. Holava, Richard A. Partyka
  • Patent number: 5883099
    Abstract: Compounds are provided which inhibit microsomal triglyceride transfer protein and thus are useful for lowering serum lipids and treating atherosclerosis and related diseases. The compounds have the structure ##STR1## wherein R.sup.1 to R.sup.7, Q, X and Y are as defined herein.
    Type: Grant
    Filed: July 21, 1997
    Date of Patent: March 16, 1999
    Assignee: Bristol-Myers Squibb Company
    Inventors: Scott A. Biller, John K. Dickson, R. Michael Lawrence, David R. Magnin, Michael A. Poss, Richard B. Sulsky, Joseph A. Tino, John E. Lawson, Henry M. Holava, Richard A. Partyka
  • Patent number: 5811292
    Abstract: Methods for the enzymatic resolution of mixtures of enantiomers, such as .beta.-lactam compounds, which may be employed as intermediates in the preparation of taxanes such as taxol, the latter useful in the pharmaceutical field.
    Type: Grant
    Filed: August 1, 1996
    Date of Patent: September 22, 1998
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Ramesh N. Patel, Laszlo J. Szarka, Richard A. Partyka
  • Patent number: 5595872
    Abstract: Nucleic acid sequences, particularly DNA sequences, coding for all or part of the high molecular weight subunit of microsomal triglyceride transfer protein, expression vectors containing the DNA sequences, host cells containing the expression vectors, and methods utilizing these materials. The invention also concerns polypeptide molecules comprising all or part of the high molecular weight subunit of microsomal triglyceride transfer protein, and methods for producing these polypeptide molecules. The invention additionally concerns novel methods for preventing, stabilizing or causing regression of atherosclerosis and therapeutic agents having such activity. The invention concerns further novel methods for lowering serum liquid levels and therapeutic agents having such activity.
    Type: Grant
    Filed: September 3, 1993
    Date of Patent: January 21, 1997
    Assignee: Bristol-Myers Squibb Company
    Inventors: John R. Wetterau, II, Daru Y. Sharp, Richard E. Gregg, Scott A. Biller, John K. Dickson, R. Michael Lawrence, John E. Lawson, Henry M. Holava, Richard A. Partyka
  • Patent number: 5567614
    Abstract: Methods for the enzymatic resolution of mixtures of enantiomers, such as .beta.-lactam compounds, which may be employed as intermediates in the preparation of taxanes such as taxol, the latter useful in the pharmaceutical field.
    Type: Grant
    Filed: May 23, 1994
    Date of Patent: October 22, 1996
    Assignee: E.R. Squibb & Sons, Inc.
    Inventors: Ramesh N. Patel, Laszlo J. Szarka, Richard Partyka
  • Patent number: 5206360
    Abstract: A compound of formula I ##STR1## wherein X is sulfur or CH.sub.2 ;R.sup.1 is hydrogen, hydroxy, amino, C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, phenyl optionally substituted with one to three C.sub.1-6 alkyl, C.sub.1-6 alkyloxy or hydroxy, C.sub.1-6 alkylthio, phenylthio optionally substituted with one to three C.sub.1-6 alkyl or C.sub.1-6 alkyloxy on the phenyl ring, phenylmethyloxy optionally substituted with one to three C.sub.1-6 alkyl or C.sub.1-6 alkyloxy on the phenyl ring, 1-morpholino, C.sub.1-6 alkyloxy, C.sub.2-6 alkenylmethyloxy, C.sub.3-6 alkynylmethyloxy, C.sub.1-6 alkylamino, C.sub.1-6 dialkylamino or a radical selected from the group consisting of ##STR2## in which n is 0 to 3, R.sup.5 is C.sub.1-6 alkyl or hydrogen, and R.sup.3 and R.sup.4 are independently C.sub.1-6 alkyl;R.sup.2 is hydrogen, a conventional amino protecting group or an acyl group;R.sup.0 is hydrogen or a conventional carboxy protecting group, or --CO.sub.2 R.sup.
    Type: Grant
    Filed: April 17, 1992
    Date of Patent: April 27, 1993
    Assignee: Bristol-Myers Squibb Company
    Inventors: Thomas W. Hudyma, Richard A. Partyka
  • Patent number: 5169843
    Abstract: A compound for formula I ##STR1## wherein X is sulfur or CH.sub.2 ;R.sup.1 is hydrogen, hydroxy, amino, C.sub.1-6 alkyl, C.sub.2-5 alkenyl, C.sub.2-6 alkynyl, phenyl optionally substituted with one to three C.sub.1-6 alkyl, C.sub.1-6 alkyloxy or hydroxy, C.sub.1-6 alkylthio, phenylthio optionally substituted with one to three C.sub.1-6 alkyl or C.sub.1-6 alkyloxy on the phenyl ring, phenylmethyloxy optionally substituted with one to three C.sub.1-6 alkyl or C.sub.1-6 alkyloxy on the phenyl ring, 1-morpholino, C.sub.1-6 alkyloxy, C.sub.2-6 alkenylmethyloxy, C.sub.3-6 alkynylmethyloxy, C.sub.1-6 alkylamino, C.sub.1-6 dialkylamino or a radical selected from the group consisting of ##STR2## in which n is 0 to 3, R.sup.5 is C.sub.1-6 alkyl or hydrogen, and R.sup.3 and R.sup.4 are independently C.sub.1-6 alkyl;R.sup.2 is hydrogen, a conventional amino protecting group or an acyl group;R.sup.0 is hydrogen or a conventional carboxy protecting group, or --CO.sub.2 R.sup.
    Type: Grant
    Filed: December 23, 1991
    Date of Patent: December 8, 1992
    Assignee: Bristol-Myers Squibb Company
    Inventors: Thomas W. Hudyma, Richard A. Partyka
  • Patent number: 5106842
    Abstract: A compound of formula I ##STR1## wherein X is sulfur or CH.sub.2 ;R.sup.1 is hydrogen, hydroxy, amino, C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, phenyl optionally substituted with one to three C.sub.1-6 alkyl, C.sub.1-6 alkyloxy or hydroxy, C.sub.1-6 alkylthio, phenylthio optionally substituted with one to three C.sub.1-6 alkyl or C.sub.1-6 alkyloxy on the phenyl ring, phenylmethyloxy optionally substituted with one to three C.sub.1-6 alkyl or C.sub.1-6 alkyloxy on the phenyl ring, 1-morpholino, C.sub.1-6 alkyloxy, C.sub.2-6 alkenylmethyloxy, C.sub.3-6 alkynylmethyloxy, C.sub.1-6 alkylamino, C.sub.1-6 dialkylamino or a radical selected from the group consisting of ##STR2## in which n is 0 to 3, R.sup.5 is C.sub.1-6 alkyl or hydrogen, and R.sup.3 and R.sup.4 are independently C.sub.1-6 alkyl;R.sup.2 is hydrogen, a conventional amino protecting group or an acyl group;R.sup.0 is hydrogen or a conventional carboxy protecting group, or --CO.sub.2 R.sup.
    Type: Grant
    Filed: October 22, 1990
    Date of Patent: April 21, 1992
    Assignee: Bristol-Myers Squibb Co.
    Inventors: Thomas W. Hudyma, Richard A. Partyka
  • Patent number: 5099016
    Abstract: The present invention provides novel mitomycin analogs containing a disulfide group and processes for the preparation thereof. These compounds are mitomycin A analogs in which the 7-alkoxy group bears an organic substituent incorporating a disulfide group. Mitomycin A is an antibiotic of established utility, and the 7-O-substituted mitosane analogs thereof have similar utility.
    Type: Grant
    Filed: February 26, 1990
    Date of Patent: March 24, 1992
    Assignee: Bristol-Myers Company
    Inventors: Dolatrai M. Vyas, Terrence W. Doyle, Richard A. Partyka
  • Patent number: 5097036
    Abstract: The present invention provides novel mitomycin analogs containing a disulfide group and processes for the preparation thereof. These compounds are mitomycin A analogs in which the 7-alkoxy group bears an organic substituent incorporating a disulfide group. Mitomycin A is an antibiotic of established utility, and the 7-O-substituted mitosane analogs thereof have similar utility.
    Type: Grant
    Filed: February 26, 1990
    Date of Patent: March 17, 1992
    Assignee: Bristol-Myers Company
    Inventors: Dolatrai M. Vyas, Terrence W. Doyle, Richard A. Partyka
  • Patent number: 4927943
    Abstract: The present invention provides novel mitomycin analogs containing a disulfide group and processes for the preparation thereof. These compounds are mitomycin A analogs in which the 7-alkoxy group bears an organic substituent incorporating a disulfide group. Mitomycin A is an antibiotic of established utility, and the 7-O-substituted mitosane analogs thereof have similar utility.
    Type: Grant
    Filed: November 7, 1988
    Date of Patent: May 22, 1990
    Assignee: Bristol-Myers Company
    Inventors: Dolatrai M. Vyas, Terrence W. Doyle, Richard A. Partyka
  • Patent number: 4814445
    Abstract: The present invention provides novel mitomycin analogs containing a disulfide group and processes for the preparation thereof. These compounds are mitomycin A analogs in which the 7-alkoxy group bears an organic substituent incorporating a disulfide group. Mitomycin A is an antibiotic of established utility, and the 7-O-substituted mitosane analogs thereof have similar utility.
    Type: Grant
    Filed: February 25, 1988
    Date of Patent: March 21, 1989
    Assignee: Bristol-Myers Company
    Inventors: Dolatrai M. Vyas, Terrence W. Doyle, Richard A. Partyka
  • Patent number: 4575553
    Abstract: The compounds are of the class of 9-anilinoacridines, useful as antitumor agents and are analogs of m-AMSA. These compounds have the formula ##STR1## in which R.sup.1 is Br, Cl or CH.sub.3, and R.sup.2 is CH.sub.2 NHCH.sub.3, CH.sub.2 N(CHO)CH.sub.3 or CH.sub.2 NHCHO. Intermediate 3-substituted-9(10H)acridone-5-carboxylic acids are prepared by converting diphenylaminedicarboxylic acids via acyl chloride to dipiperidides, purifying the dipiperidides, treating said dipiperidides with phosphorous oxychloride in an inert organic solvent at a temperature in the range of about 70.degree. C. to 110.degree. C. to yield 9-acridine, subjecting said 9-acridine to mild acid hydroylsis to yield 9-acridone and thereafter hydroylzing said 9-acridones to the acid product.
    Type: Grant
    Filed: June 18, 1984
    Date of Patent: March 11, 1986
    Assignee: Bristol-Myers Company
    Inventors: Gerry Kavadias, Terrance W. Doyle, Elizabeth Janik, Richard A. Partyka
  • Patent number: 4458079
    Abstract: Novel imidazole mercaptals of the formula ##STR1## wherein each m is independently zero or one; and R.sup.1 and R.sup.2 each are independently selected from (lower)alkyl, cycloalkyl, cycloalkyl(lower)alkyl, phenyl, phenyl(lower)alkyl, thienyl, thienyl(lower)alkyl, pyridyl and pyridyl(lower)alkyl, in which the phenyl and heterocyclic rings optionally may contain from 1 to 3 substituents, and acid addition salts thereof, are useful antimicrobial agents.
    Type: Grant
    Filed: August 8, 1980
    Date of Patent: July 3, 1984
    Assignee: Bristol-Myers Company
    Inventors: Richard A. Partyka, Thomas W. Hudyma
  • Patent number: 4315023
    Abstract: 1-Phenethylimidazole compounds of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are independently hydrogen or halogen, Z is a mono or disubstituted phenyl moiety of the formula: ##STR2## or a 2 or 3-thienyl moiety of formula: ##STR3## wherein R.sup.3 and R.sup.4 are independently hydrogen, halogen, (lower) alkyl, or trifluoromethyl, with the proviso that R.sup.3 and R.sup.4 can not both be trifluoromethyl and the antimicrobial acid addition salts thereof are useful as antifungal and antibacterial agents.
    Type: Grant
    Filed: December 1, 1980
    Date of Patent: February 9, 1982
    Assignee: Westwood Pharmaceuticals, Inc.
    Inventors: Richard A. Partyka, Thomas W. Hudyma
  • Patent number: RE31617
    Abstract: Optionally substituted 1,2,3,5-tetrahydroimidazol[2,1-b]-quinazolin-2-ones and 6-[H]-1,2,3,4-tetrahydropyrimidol[2,1-b]quinazolin-2-ones or the pharmaceutically acceptable salts thereof are compounds useful as blood platelet anti-aggregative and/or antihypertensive and/or bronchodilator agents in mammals, including humans.
    Type: Grant
    Filed: September 22, 1982
    Date of Patent: June 26, 1984
    Assignee: Bristol-Myers Company
    Inventors: Warren N. Beverung, Jr., Richard A. Partyka