Patents Represented by Attorney, Agent or Law Firm Cynthia S. Kovacevic
  • Patent number: 6132697
    Abstract: A radiopharmaceutical capable of localizing at a site of thrombus containing activated platelets within a mammalian body is provided wherein the radiopharmaceutical comprises a linear peptidomimetic containing ligand capable of specifically binding to the GPIIb/IIIa integrin receptor of platelets in the thrombus and a radionuclide covalently bound to the peptidomimetic containing ligand. The ligand compositions of the invention are provided complexed with a selected metal radionuclide to form a diagnostic or therapeutic radiopharmaceutical to image a site of thrombus or provide radiotherapy to the site of thrombus, respectively.
    Type: Grant
    Filed: June 5, 1997
    Date of Patent: October 17, 2000
    Assignee: G. D. Searle & Co.
    Inventors: Ananthachari Srinivasan, Larry P. Feigen, Daniel Lee Flynn, Jeffery Alan Zablocki, Philip Needleman, Michelle A. Schmidt
  • Patent number: 6100423
    Abstract: The present invention is directed to compounds of the formula ##STR1## where R.sup.1 is BOC or H, R is H or lower alkyl; X and Y are the same or different halo atoms selected from the group consisting of Cl, Br or I and pharmaceutically acceptable salts and isomers thereof.
    Type: Grant
    Filed: March 3, 1999
    Date of Patent: August 8, 2000
    Assignee: G. D. Searle & Co.
    Inventors: Joe T. Collins, Balekudru Devadas, Hwang-fun Lu, James W. Malecha, Julie Marion Miyashiro, Srinivasan Nagarajan, Joseph Gerace Rico, Thomas E. Rogers
  • Patent number: 6028223
    Abstract: The present invention relates to a class of compounds represented by the Formula I ##STR1## or a pharmaceutically acceptable salt thereof, wherein A is ##STR2## pharmaceutical compositions thereof and methods of using such compounds and compositions as .alpha..sub.v .beta..sub.3 antagonists.
    Type: Grant
    Filed: August 27, 1996
    Date of Patent: February 22, 2000
    Assignee: G. D. Searle & Co.
    Inventors: Peter Gerrard Ruminski, Michael Clare, Paul Waddell Collins, Bipinchandra Nanubhai Desai, Richard John Lindmark, Joseph Gerace Rico, Thomas Edward Rogers, Mark Andrew Russell
  • Patent number: 6025358
    Abstract: The present invention relates to double prodrugs of pharmacologically active glycoprotein IIb/IIIa antagonists of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of lower alkyl of about 2 to about 8 carbon atoms, cycloalkyl, and aralkyl; R is selected from the group consisting of alkoxy, ##STR2## wherein R.sup.50 is H or alkyl; and ##STR3## wherein R.sup.50 is H or alkyl; and pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: May 19, 1999
    Date of Patent: February 15, 2000
    Assignee: G. D. Searle & Co.
    Inventors: Norman Anthony Abood, Michael J. Bennett, Lori A. Schretzman
  • Patent number: 6013651
    Abstract: The present invention is directed to compounds of the formula ##STR1## and pharmaceutically acceptable salts and isomers thereof.
    Type: Grant
    Filed: March 4, 1998
    Date of Patent: January 11, 2000
    Assignee: G. D. Searle & Co.
    Inventors: Thomas E. Rogers, Peter G. Ruminski
  • Patent number: 5986107
    Abstract: A process for producing a lactam of the formula ##STR1## wherein 2-bromo-4 chloro butyryl bromide or 2,4-dibromo butyryl bromide is coupled with 4-aminobenzonitrile to produce 4-(2,4-bromobutyrylamino)-benzonitrile, which is combined with sodium hydroxide, potassium hydroxide or potassium carbonate to produce 4-(3-bromo-2-oxopyrrolidin-1-yl)benzonitrile which is subjected to an excess of ammonium hydroxide to produce compounds of the formula (I).
    Type: Grant
    Filed: March 2, 1999
    Date of Patent: November 16, 1999
    Assignee: G. D. Searle & Co.
    Inventors: Pierre-Jean Colson, Kevin A. Babiak, Donald E. Korte, Claire A. Przybyla, Lisa M. Seaney, Bruce E. Wise
  • Patent number: 5973003
    Abstract: Novel substituted .beta. amino acid derivatives are provided which inhibit platelet aggregation. This invention also pertains to pharmaceutical compositions and methods of using such derivatives.
    Type: Grant
    Filed: September 26, 1997
    Date of Patent: October 26, 1999
    Assignee: G. D. Searle & Co.
    Inventors: Philippe R. Bovy, Joseph G. Rico, Thomas E. Rogers, Foe S. Tjoeng, Jeffery A. Zablocki
  • Patent number: 5952381
    Abstract: The present invention relates to a class of compounds represented by Formula I ##STR1## or a pharmaceutically acceptable salt thereof, pharmaceutical composition comprising compounds of the Formula I, and methods of selectively inhibiting or antagonizing the .alpha..sub.v .beta..sub.3 integrin.
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: September 14, 1999
    Assignee: G. D. Searle & Co.
    Inventors: Barbara B. Chen, Helen Y. Chen, Glen J. Gesicki, Richard A. Haack, James W. Malecha, Thomas D. Penning, Joseph G. Rico, Thomas E. Rogers, Peter G. Ruminski, Mark A. Russell, Stella S. Yu
  • Patent number: 5935939
    Abstract: The present invention provides for stabilization of misoprostol in solid dispersions using amorphous excipients or excipients which have been converted to an amorphous state such as hydroxypropyl cellulose, methyl cellulose, carboxymethyl cellulose, sodium carboxymethyl cellulose, cellulose acetate phthalate, cellulose acetate butyrate, hydroxyethyl cellulose, ethyl cellulose, polyvinyl alcohol, polyethylene glycol, starch, polypropylene, dextrans, dextrins, hydroxypropyl .beta.-cyclodextrin chitosan, co-(lactic/glycolic)copolymers, poly(orthoester), polyvinyl chloride, polyvinyl acetate, ethylene vinyl acetate, lectins, carbopols, silicon elastomers, cyclodextrins, polyacrylic polymers, maltodextrins, lactose, fructose, inositol, trehalose, maltose, and raffinose, (and other mono-, di- and tri- saccharides) and .alpha.-, .beta.- and .gamma.-cyclodextrins, and more preferably the excipients which are used are dextran, maltodextrin, hydroxypropyl .beta.-cyclodextrin and maltose.
    Type: Grant
    Filed: September 9, 1996
    Date of Patent: August 10, 1999
    Assignee: G. D. Searle & Co.
    Inventors: Tugrul T. Kararli, David Otto, Stanley C. Penzotti, Jr., James E. Truelove
  • Patent number: 5886208
    Abstract: Novel substituted amino acid derivatives are provided which inhibit platelet aggregation and which are useful in pharmaceutical compositions and methods of inhibiting platelet aggregation.
    Type: Grant
    Filed: April 10, 1997
    Date of Patent: March 23, 1999
    Assignee: G. D. Searle & Co.
    Inventor: Thomas Edward Rogers
  • Patent number: 5852210
    Abstract: The present invention relates to a class of compounds represented by the Formula I ##STR1## or a pharmaceutically acceptable salt thereof, pharmaceutical compositions comprising compounds of the Formula I, and methods of selectively inhibiting or antagonizing the .alpha..sub.v .beta..sub.3 integrin.
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: December 22, 1998
    Assignee: G. D. Searle & Co.
    Inventors: Barbara B. Chen, Helen Y. Chen, Michael Clare, Stephen H. Docter, Ish Kumar Khanna, Francis Jan Koszyk, James W. Malecha, Julie Marion Miyashiro, Thomas D. Penning, Joseph G. Rico, Peter G. Ruminski, Mark A. Russell, Richard Mathias Weier, Xiangdong Xu, Stella S. Yu, Yi Yu
  • Patent number: 5843906
    Abstract: The present invention relates to a class of compounds represented by the Formula I ##STR1## or a pharmaceutically acceptable salt thereof, pharmaceutical compositions comprising compounds of the Formula I, and methods of selectively inhibiting or antagonizing the .alpha..sub.v .beta..sub.3 integrin.
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: December 1, 1998
    Assignee: G. D. Searle & Co.
    Inventors: Nizal Chandrakumar, Michael Clare, Wendell Doubleday, Alan F. Gasiecki, Mark A. Russell
  • Patent number: 5840961
    Abstract: The invention herein is directed to a process for the preparation of ethyl 3S-amino-4-pentynoate which involves treating 3-(trimethylsilyl)-2-propynal with L-phenylglycinol in toluene to produce .alpha.S-??3-(trimethylsilyl)-2-propynylidene amino!benzenethanol; reacting .alpha.S-??3-(trimethylsilyl)-2-propynylidene!amino!benzenethanol with BrZnCH.sub.2 CO.sub.2 t-Bu in THF/NMP to produce 1,1-dimethylethyl 3S-?(2-hydroxy-1S-phenylethyl)amino!-5-(trimethylsilyl)-4-pentynoate; reacting the 1,1-dimethylethyl 3S-?(2-hydroxy-1S-phenylethyl)amino!-5-(trimethylsilyl)-4-pentynoate with sodium periodate to form 1,1-dimethylethyl 3S-?(phenylmethylene)amino!-5-(trimethylsilyl)-4-pentynoate; hydrolyzing 1,1-dimethylethyl 3S-?(phenylmethylene)amino!-5-(trimethylsilyl)-4-pentynoate to produce 1,1-dimethylethyl 3S-amino-5-(trimethylsilyl)-4-pentynoate; transesterifying 1,1-dimethyl 3S-amino-5-(trimethylsilyl)-4-pentynoate and desilylating to produce ethyl 3S-amino-4-pentynoate.
    Type: Grant
    Filed: July 10, 1997
    Date of Patent: November 24, 1998
    Assignee: G. D. Searle & Co.
    Inventors: James Richard Behling, Mark Laurence Boys, Kimberly Jo Cain-Janicki, Pierre-Jean Colson, Wendel William Doubleday, Joseph Edward Duran, Payman N. Farid, Carl Matthew Knable, Frank Walter Muellner, Sean Thomas Nugent, Ravindra S. Topgi
  • Patent number: 5840903
    Abstract: This invention relates to compounds of the formula: ##STR1## or a pharmaceutically acceptable salt thereof wherein Z is selected from the group consisting of ##STR2## R.sub.1 is alkoxy of one to six carbon atoms; R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are the same or different and are selected from the group consisting of hydrogen, halogen, CF.sub.3, hydroxy, alkoxy of one to six carbon atoms, acyl of two to seven carbon atoms, amino, amino substituted by one or two alkyl groups of one to six carbon atoms, C.sub.2 -C.sub.7 acylamino, aminocarbonyl, aminosulfone optionally substituted by one or two alkyl groups of one to six carbon atoms, C.sub.1 -C.sub.6 alkylsulfone and nitro;m is 1 or 2;X is O or NR.sub.7 ; andR.sub.7 is hydrogen or alkyl of 1 to 6 carbon atoms.
    Type: Grant
    Filed: July 27, 1992
    Date of Patent: November 24, 1998
    Assignee: G. D. Searle & Co.
    Inventors: Daniel Lee Flynn, Robert L. Shone
  • Patent number: 5811398
    Abstract: This invention relates to compounds having the following formula ##STR1## or pharmaceutically acceptable salt thereof which are useful in the inhibition of platelet aggregation, to pharmaceutical compositions containing such compounds, and to a method of inhibiting platelet aggregation in mammals by administering such compounds and compositions.
    Type: Grant
    Filed: April 11, 1995
    Date of Patent: September 22, 1998
    Assignee: G. D. Searle & Co.
    Inventors: Norman Anthony Abood, Philippe Roger Bovy, Daniel Lee Flynn, Joseph Gerace Rico, Thomas Edward Rogers
  • Patent number: 5798370
    Abstract: This invention herein relates to compounds having the following formula ##STR1## or a pharmaceutically acceptable salt thereof which are useful in the inhibition of platelet aggregation, to pharmaceutical compositions containing the compound and to a method of inhibiting platelet aggregation in mammals by administering such compounds and compositions.
    Type: Grant
    Filed: December 6, 1996
    Date of Patent: August 25, 1998
    Assignee: G. D. Searle & Co.
    Inventor: Peter Gerrard Ruminski
  • Patent number: 5773644
    Abstract: The present invention relates to a class of compounds represented by the Formula I ##STR1## or a pharmaceutically acceptable salt thereof, pharmaceutical compositions comprising compounds of the Formula I, and methods of selectively inhibiting or antagonizing the .alpha..sub.v .beta..sub.3 integrin.
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: June 30, 1998
    Assignee: G. D. Searle & Co.
    Inventors: Barbara B. Chen, Helen Y. Chen, Michael Clare, Shashidhar N. Rao, Mark A. Russell
  • Patent number: 5773646
    Abstract: The present invention relates to a class of compounds represented by the Formula I ##STR1## or a pharmaceutically acceptable salt thereof, pharmaceutical compositions comprising compounds of the Formula I, and methods of selectively inhibiting or antagonizing the .alpha..sub.v .beta..sub.3 integrin.
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: June 30, 1998
    Assignee: G. D. Searle & Co.
    Inventors: Nizal Chandrakumar, Barbara B. Chen, Helen Y. Chen, Michael Clare, Alan F. Gasiecki, Richard A. Haack, James W. Malecha, Peter G. Ruminski, Mark A. Russell
  • Patent number: 5756125
    Abstract: The present invention relates to controlled release dosage forms composed of a naproxen layer which contains a delayed release granulate of naproxen compressed with an immediate release granulate of naproxen and an immediate release naproxen sodium layer compressed with the naproxen layer, designed to promptly exert a therapeutic effect while also maintaining the therapeutic blood concentration for a prolonged duration of 24 hours.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: May 26, 1998
    Assignee: G. D. Searle & Co.
    Inventor: Subhash Desai
  • Patent number: 5731435
    Abstract: The present invention relates to a novel process for the preparation of N-heterocyclealkanamide derivatives having the following formula: ##STR1## which comprises reacting 1-(2-chloroethyl)piperidine with 2-chlorobenzeneacetonitrile to give (.+-.)-.alpha.-(2-chlorophenyl)-1-piperidinebutanenitrile; alkylating the piperidenebutanenitrile to give (.+-.)-.alpha.-(2-chlorophenyl)-.alpha.-(2,2-dimethoxyethyl)piperidine-1-b utanenitrile; hydrolyzing the resulting alkylated piperidinebutanenitrile to give (.+-.)-.alpha.-(2-chlorophenyl)-.alpha.-(2-oxoethyl)piperidine-1-butanenit rile; reacting the resulting piperidinebutanenitrile with isopropylamine to form (.+-.)-.alpha.-(2-chlorophenyl)-.alpha.-?2-?(1-methylethyl)imino!ethyl!pip eridine-1-butanenitrile; reducing the resulting imine to form (.+-.)-.alpha.-(2-chlorophenyl)-.alpha.-?2-?(1-methylethyl)amino!ethyl!-pi peridine-1-butanenitrile; acetylating the resulting amine to form (.+-.
    Type: Grant
    Filed: May 3, 1995
    Date of Patent: March 24, 1998
    Assignee: G. D. Searle & Co.
    Inventor: Thomas Robert Kowar