Patents Represented by Attorney, Agent or Law Firm James R. Nelson
  • Patent number: 5089609
    Abstract: Compounds of the formula ##STR1## wherein each R' is independently hydrogen, one, two or three of halogen, lower alkyl or lower alkoxy and R" is methyl, ethyl, allyl or a phenyl, are described. These compounds are useful as intermediates in preparing penems and carbapenems.
    Type: Grant
    Filed: November 30, 1990
    Date of Patent: February 18, 1992
    Assignee: Schering Corporation
    Inventor: Samuel Chackalamannil
  • Patent number: 5089496
    Abstract: Derivatives of benzo[5,6]cyclohepta pyridine, and pharmaceutically acceptable salts and solvates thereof are disclosed, which possess anti-allergic and anti-inflammatory activity. Methods for preparing and using the compounds are also described.
    Type: Grant
    Filed: May 1, 1989
    Date of Patent: February 18, 1992
    Assignee: Schering Corporation
    Inventors: John J. Piwinski, Ashit K. Ganguly, Michael J. Green, Frank J. Villani, Jesse Wong
  • Patent number: 5079360
    Abstract: The process for making certain bicyclic compounds and intermediates which are useful as anti-allergic, anti-inflammatory and cytoprotective agents.
    Type: Grant
    Filed: November 13, 1989
    Date of Patent: January 7, 1992
    Assignee: Schering Corporation
    Inventors: Dinesh Gala, Martin Steinman, Ashit Ganguly
  • Patent number: 5077388
    Abstract: Active recombinant human IL-4 is purified from a crude fermentation broth of a secreted E. coli mutant by subjecting said solution to selective chromatogrphy on a zinc-chelating agarose column at pH 7.2 in a buffer containing a high concentration of sodium chloride, i.e., about 1M sodium chloride, washing first with a phosphate buffer at pH 7.2 containing 1.0M sodium chloride then with a buffer containing 10% glycerol and eluting at pH 5.0. The resulting purified active recombinant human IL-4 solution is further treated by cation exchange chromatography, concentration by diafiltration up to 20 mg/mL and size exclusion gel chromatography using a citrate buffer at pH 4.5.
    Type: Grant
    Filed: May 31, 1990
    Date of Patent: December 31, 1991
    Assignee: Schering Corporation
    Inventors: John C. T. Tang, David Naveh, Tattanahali L. Nagabhushan
  • Patent number: 5075302
    Abstract: Mercaptoacyl aminolactam inhibitors of endopeptidases of the formula ##STR1## wherein Y is -(CHR.sup.5).sub.n (CR.sup.3 R.sup.4)- or -(CR.sup.3 R.sup.4).sub.p X(CR.sup.3 R.sup.4).sub.q -,wherein two substituents selected from the group consisting of R.sup.3, R.sup.4 and R.sup.5, can form a benzene, cyclopentane or cyclohexane ring;X is -O-, -S-, -SO- or -SO.sub.2 -;Q is hydrogen or R.sup.6 CO-;m is 1 or 2;n is 1, 2, 3 or 4;p is 1 or 2;q is 2 or 3;R.sup.1 is lower alkyl, aryl or heteroaryl;R.sup.2 is hydrogen, lower alkyl, hydroxylower alkyl, lower alkoxylower alkyl, aryllower alkyl or heteroaryllower alkyl;R.sup.3 and R.sup.4 are independently hydrogen, lower alkyl, aryllower alkyl or heteroaryllower alkyl;R.sup.5 is hydrogen, lower alkyl, aryllower alkyl, heteroaryllower alkyl, hydroxy, lower alkoxy, mercapto, or lower alkylthio; and R.sup.
    Type: Grant
    Filed: March 9, 1990
    Date of Patent: December 24, 1991
    Assignee: Schering Corporation
    Inventor: Bernard R. Neustadt
  • Patent number: 5075438
    Abstract: There is disclosed a process for preparing a compound represented by the formula ##STR1## where P is hydrogen.
    Type: Grant
    Filed: May 15, 1990
    Date of Patent: December 24, 1991
    Assignee: Schering Corporation
    Inventor: Dinesh Gala
  • Patent number: 5073374
    Abstract: A fast dissolving buccal tablet for administering a medicament includes the active ingredient, a lubricant and a water soluble sugar, such as sorbitol, combined such that the buccal tablet dissolves in about one minute.
    Type: Grant
    Filed: November 30, 1988
    Date of Patent: December 17, 1991
    Assignee: Schering Corporation
    Inventor: John A. McCarty
  • Patent number: 5070086
    Abstract: Imidazo- and pyrimido-quinoline, naphthyridine and pyridopyrazine compounds, methods of making said compounds and their use as anti-allergy, antiinflammatory and/or agents for the treatment of hyperproliferative skin disease are disclosed.
    Type: Grant
    Filed: June 15, 1990
    Date of Patent: December 3, 1991
    Assignee: Schering Corporation
    Inventor: Richard Friary
  • Patent number: 5047399
    Abstract: Novel hydrophobic psuedo-peptides of formula I ##STR1## wherein R.sub.1 is lower alkyl or -CH.sub.2 CONR.sub.6 R.sub.7 ; R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are independently lower alkyl, cycloalkyl lower alkyl, aryl lower alkyl, heteroaryl lower alkyl, aryl lower alkoxy, substituted aryl lower alkyl, wherein the aryl portion is substituted with 1-3 substituents independently selected from lowr alkyl, hydroxyl, lower alkoxy and halogeno, substituted heteroaryl lower alkyl wherein the substituents on the heteroaryl portion are as defined for aryl lower alkyl, substituted cycloalkyl lower alkyl, wherein the substituents on the cycloalkyl portion are as defined for aryl lower alkyl, and substituted aryl lower alkoxy wherein the substituents are as defined for aryl lower alkyl;R.sub.6 and R.sub.7 are independently hydrogen or lower alkyl;X.sub.1, X.sub.2, X.sub.3, X.sub.4 and X.sub.5 are independently ##STR2## cis or trans --CR.sub.8 .dbd.CR.sub.9 --, --CHR.sub.8 CHR.sub.9 --, --CH.sub.2 NR.sub.
    Type: Grant
    Filed: July 13, 1988
    Date of Patent: September 10, 1991
    Assignee: Schering Corporation
    Inventors: Laura S. Lehman, Michael F. Czarniecki
  • Patent number: 5045542
    Abstract: A method and composition for suppressing the immune response are disclosed which employ an immunosuppressing effective amount of certain aryl-substituted naphthyridines and pyrido-pyrazines.
    Type: Grant
    Filed: July 31, 1989
    Date of Patent: September 3, 1991
    Assignee: Schering Corporation
    Inventors: Marvin I. Siegel, Sidney R. Smith
  • Patent number: 5037826
    Abstract: 1-Substituted naphthyridines and pyridopyrazines are disclosed which are useful in treating allergic reactions, inflammation, peptic uclers and hyperproliferative skin diseases and in suppressing the immune response in mammals. Pharmaceutical compositions and methods of treatment employing such compounds are also disclosed.
    Type: Grant
    Filed: December 18, 1986
    Date of Patent: August 6, 1991
    Assignee: Schering Corporation
    Inventors: David J. Blythin, Marvin I. Siegel, Sidney R. Smith
  • Patent number: 5036048
    Abstract: A method and composition for reducing and/or controlling elevated intraocular pressure, especially the elevated intraocular pressure associated with glaucoma, are disclosed in which an angiotensin II antagonist is administered to the eye.
    Type: Grant
    Filed: March 7, 1986
    Date of Patent: July 30, 1991
    Assignee: Schering Corporation
    Inventor: Robert W. Watkins
  • Patent number: 5034133
    Abstract: Active recombinant human IL-4 is purified from a crude cell culture medium of a CHO-cell lines mutant by subjecting said crude solution to two sequentialcation exchange chromatographies at pH 7.2 and 0.12M sodium chloride, selective chromatography on a cobalt-chelating agarose column at pH 7.2 in a buffer containing a high concentration of sodium chloride, i.e., about 0.5M sodium chloride, further treated by concentration (diafiltration) up to 20 mg/mL and size exclusion gel chromatography using a citrate buffer at pH 4.5.
    Type: Grant
    Filed: July 26, 1990
    Date of Patent: July 23, 1991
    Assignee: Schering-Corporation
    Inventors: David Naveh, Jay Raman, John C. T. Tang
  • Patent number: 5030631
    Abstract: Novel tricyclic arylsulfonamides useful for treating hypertension and bronchoconstiction, as well as to their pharmaceutical compositions and methods for using the same.
    Type: Grant
    Filed: November 27, 1989
    Date of Patent: July 9, 1991
    Assignee: Schering Corporation
    Inventor: Barr E. Bauer
  • Patent number: 5023265
    Abstract: Substituted 1H-pyrrolopyridine-3-carboxamides and their use in pharmaceutical compositions and in treating inflammation are disclosed.
    Type: Grant
    Filed: June 1, 1990
    Date of Patent: June 11, 1991
    Assignee: Schering Corporation
    Inventors: Margaret H. Scherlock, Wing C. Tom
  • Patent number: 5017567
    Abstract: Methods and pharmaceutical compositions are disclosed for reducing intraocular pressure. The methods and compositions employ an active ingredient which comprises certain benzothiadiazinyl and quinazolinyl substituted carboxyalkyl dipeptides wherein the benzothiadiazinyl or quinazolinyl portions are joined to the dipeptide portions by an aminocarbonyl group.
    Type: Grant
    Filed: January 3, 1990
    Date of Patent: May 21, 1991
    Assignee: Schering Corporation
    Inventors: Bernard R. Neustadt, David R. Andrews, Paul E. McNamara, Robert W. Watkins
  • Patent number: 5015639
    Abstract: Disclosed herein are novel 1-substituted-2,3,4,5-tetrahydro-1H-3-benzazepines of the general formula I: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are specified substituents.R.sup.1 is preferably --X.sup.6, --CHR.sup.7 R.sup.8, cycloalkyl, cycloalkenyl, ##STR2## or pyrrolyl where m is 1, R.sup.6 represents .dbd.H, phenyl, substituted phenyl, aralkyl, alkyl, cycloalkyl, haloalkyl or alkoxyalkyl, R.sup.7 represents H or alkyl preferably H, R.sup.8 represents cycloalkyl, cycloalkenyl, haloalkyl, alkoxyalkyl, alkenyl or alkynyl and R.sup.9 represents alkyl, aloxy or alkoxyalkyl.R.sup.2 preferably represents --H and R.sup.3 --CH.sub.3, and R.sup.4 is preferably halogen and R.sup.5 is preferably OH, OCO.R.sup.9 or --O(CR.sup.7).sub.2.OCO.R.sup.13 where R.sup.7 represents hydrogen, R.sup.9 is as defined above and R.sup.13 represents alkyl. The compounds of the formula I are indicated as being useful in the treatment of psychoses, depression and pain.
    Type: Grant
    Filed: March 13, 1989
    Date of Patent: May 14, 1991
    Assignee: Schering Corporation
    Inventors: Joel G. Berger, Wei K. Chang, Marjorie Peters
  • Patent number: 5015641
    Abstract: Pharmaceutical compositions and a method for reducing intraocular pressure by topically applying a carboxyalkyl dipeptide are disclosed.
    Type: Grant
    Filed: May 9, 1989
    Date of Patent: May 14, 1991
    Inventors: David R. Andrews, Federico C. A. Gaeta, Robert W. Watkins
  • Patent number: 5011845
    Abstract: Compounds of the formula ##STR1## wherein R.sup.5 represents C.sub.1 to C.sub.6 -alkyl or the group--(CH.sub.2).sub.n --Z--(CH.sub.2).sub.m --Ar wherein Z represents O, S or --CH.sub.2 --and Ar is phenyl, optionally substituted by one or two groups selected from the group consisting of hydrogen, C.sub.1 to C.sub.6 -alkyl, C.sub.1 to C.sub.6 -alkoxy, Cl,F,Br,I,NO.sub.2, CF.sub.3, CN, R.sup.6 -S(O).sub.x, R.sup.7 --CO--,(R.sup.8 R.sup.9)NCO-and phenyl, wherein x is 0, 1 or 2, and each R.sup.6, R.sup.7, R.sup.8 and R.sup.9 is independently C.sub.1 to C.sub.6 alkyl or two adjacent groups on Ar may form together an additional fused benzenoid ring; n and m independently represent integers of from 1 to 8; and ring Q represents one of the rings Q.sub.1, Q.sub.2, Q.sub.3 or Q.sub.4 below: ##STR2## X is N or C--R.sup.1 ; Y is N or C--R.sup.4 ;W represents O or S;each of R.sup.1, R.sup.2, R.sup.3 and R.sup.4 is independently selected from hydrogen, C.sub.1 to C.sub.6 -alkyl, C.sub.1 to C.sub.6 -alkoxy, Cl,F,Br,I,NO.sub.
    Type: Grant
    Filed: June 13, 1990
    Date of Patent: April 30, 1991
    Assignee: Schering Corporation
    Inventors: David J. Blythin, Ho-Jane Shue, Ashit K. Ganguly
  • Patent number: 5011860
    Abstract: Aryl-substituted naphthyridines and pyridopyrazines are disclosed which are useful in treating allergic reactions, inflammation, peptic ulcers and/or hyperproliferative skin disease. Pharmaceutical compositions and methods of treatment employing such compounds are also disclosed.
    Type: Grant
    Filed: June 26, 1989
    Date of Patent: April 30, 1991
    Assignee: Schering Corporation
    Inventors: David J. Blythin, Ho-Jane Shue