Plural Ring Hetero Atoms In The Bicyclo Ring System, Or Ring Nitrogen Is Shared By The Two Cyclos Of The Bicyclo Ring System Patents (Class 548/453)
  • Patent number: 6562816
    Abstract: The invention provides compounds of Formula I: compounds of the Formula I: wherein R1, R2, R4, R6, X, and W are defined herein. These compounds may be in the form of pharmaceutical salts or compositions, may be in pure enantiomeric form or racemic mixtures, and are useful in pharmaceuticals used to treat diseases or conditions in which &agr;7 is known to be involved.
    Type: Grant
    Filed: August 14, 2002
    Date of Patent: May 13, 2003
    Assignee: Pharmacia & Upjohn Company
    Inventors: Donn G. Wishka, Jason K. Myers, Bruce N. Rogers, Eric Jon Jacobsen, David W. Piotrowski, Jeffrey W. Corbett, Alice L. Bodnar, Vincent E. Groppi, Jr.
  • Publication number: 20030088110
    Abstract: The present invention relates to a novel chiral compound of Hibiscus acid bearing lactone moiety of formula I, 1
    Type: Application
    Filed: September 5, 2001
    Publication date: May 8, 2003
    Inventors: Ibrahim Ibnu Saud, Chitra Gopinath, Beena Thomas
  • Publication number: 20030069296
    Abstract: The invention provides compounds of Formula I: 1
    Type: Application
    Filed: August 14, 2002
    Publication date: April 10, 2003
    Inventors: Donn G. Wishka, Jason K. Myers, Vincent E. Groppi
  • Publication number: 20030055268
    Abstract: The object of the present invention are diketopyrrolopyrroles of the general formula (I) 1
    Type: Application
    Filed: October 10, 2001
    Publication date: March 20, 2003
    Inventors: Celile Pasquier, Patrick Wyss, Hans-Juergen Braun
  • Patent number: 6534650
    Abstract: This invention relates to compounds of Formula V H—Y—G—R   V and Formula VI (wherein f, X, Y, G and R have the values defined in the description) which are useful as intermediates for the preparation of compounds, or pharmaceutically acceptable salts thereof, which are useful as thrombin inhibitors, coagulation inhibitors and agents for the treatment of thromboembolic disorders.
    Type: Grant
    Filed: March 9, 2001
    Date of Patent: March 18, 2003
    Assignee: Eli Lilly and Company
    Inventors: Valentine J Klimkowski, Aaron L Schacht, Michael R Wiley
  • Publication number: 20030045567
    Abstract: The present invention relates to (−)-1-(3,4-dichlorophenyl)-3-azabicyclo[3.1.0]hexane and pharmaceutically acceptable salts thereof, compositions comprising (−)-1-(3,4-dichlorophenyl)-3-azabicyclo[3.1.0]hexane or a pharmaceutically acceptable salt thereof, and methods for treating or preventing a disorder alleviated by inhibiting dopamine reuptake. In one embodiment, the disorder is attention-deficit disorder, depression, obesity, Parkinson's disease, a tic disorder, or an addictive disorder. The (−)-1-(3,4-dichlorophenyl)-3-azabicyclo[3.1.0]hexane or pharmaceutically acceptable salt thereof is preferably substantially free of its corresponding (+)-enantiomer.
    Type: Application
    Filed: August 24, 2001
    Publication date: March 6, 2003
    Inventors: Arnold Stan Lippa, Joseph William Epstein
  • Patent number: 6528653
    Abstract: The invention is directed to substituted thieno[2,3-b]pyrrolidin-5-ones. The compounds are useful as inhibitors of cellular production of tumor necrosis factor (TNF-&agr;) and as antiproliferative agents. These compounds are useful in the treatment or control of neuro-degenerative diseases, cardiovascular diseases, cancer or inflammatory diseases.
    Type: Grant
    Filed: June 26, 2001
    Date of Patent: March 4, 2003
    Assignee: Hoffmann-La Roche, Inc.
    Inventors: Adrian Liam Gill, William Harris
  • Patent number: 6518281
    Abstract: Novel amides and imides are inhibitors of tumor necrosis factor&agr; and phosphodiesterase and can be used to combat cachexia, endotoxic shock, retrovirus replication, asthma, and inflammatory conditions.
    Type: Grant
    Filed: July 20, 2001
    Date of Patent: February 11, 2003
    Assignee: Celgene Corporation
    Inventors: George W. Muller, Mary Shire
  • Patent number: 6518273
    Abstract: The present invention relates to compounds of the formula (I): wherein R1a, R1b, R2, R3, R4, R5, X and n are defined herein. The compounds are of particular use in the treatment or prevention of depression, anxiety, pain, inflammation, migraine, emesis and postherpetic neuralgia.
    Type: Grant
    Filed: September 4, 2001
    Date of Patent: February 11, 2003
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Kevin Tyler Chapman, Kevin Dinnell, Jason Matthew Elliott, Gregory John Hollingworth, Steven Michael Hutchins, Duncan Edward Shaw, Christopher Alan Willoughby
  • Patent number: 6512120
    Abstract: This invention is directed to methods of synthesizing densely functionalized pyrrolidine compounds through the use of intramolecular Diels Alder reactions.
    Type: Grant
    Filed: March 12, 2002
    Date of Patent: January 28, 2003
    Assignee: Ortho McNeil Pharmaceutical, Inc.
    Inventors: Pranab Mishra, Sengen Sun, William V. Murray
  • Publication number: 20030013733
    Abstract: The invention features substituted fused bicyclic compounds, pharmaceutical compositions containing them, and methods of using them to treat or prevent histamine-mediated diseases and conditions.
    Type: Application
    Filed: September 21, 2001
    Publication date: January 16, 2003
    Inventors: Richard Apodaca, Nicholas I. Carruthers, John R. Carson, Wenying Chai, Annette K. Kwok, Xiaobing Li, Timothy W. Lovenberg, Dale A. Rudolph, Chandravadan R. Shah
  • Publication number: 20030013724
    Abstract: Transfer ribonucleic acid (tRNA) synthetase inhibitors, salts, and pharmaceutically acceptable compositions thereof of the general formula: 1
    Type: Application
    Filed: June 17, 2002
    Publication date: January 16, 2003
    Inventors: Milton L. Hammond, Aaron H. Leeman, Milana Maletic, Gina M. Santorelli, Sherman T. Waddell, John Finn, Michael Morytko, Siya Ram, Dennis Keith
  • Publication number: 20030008867
    Abstract: Compounds of formula I: 1
    Type: Application
    Filed: April 15, 2002
    Publication date: January 9, 2003
    Inventors: Eifion Phillips, Richard Schmiesing
  • Publication number: 20030008893
    Abstract: Chemokine receptor antagonists, in particular, bicyclic diamine compounds of Formula (I) that act as antagonists of chemokine CCR2 and CCR3 receptors including pharmaceutical compositions and uses thereof to treat or prevent diseases associated with monocyte accumulation, lymphocyte accumulation or leucocyte accumulation are described herein.
    Type: Application
    Filed: March 6, 2002
    Publication date: January 9, 2003
    Inventors: Roberto Colon-Cruz, Mary T. Didiuk, Erin M. Duffy, Ravi Garigipati, Wan F. Lau, Wayne S. McDonald
  • Publication number: 20030004153
    Abstract: The present invention relates to novel heteroaryl-diazabicycloalkanes which are found to be cholinergic ligands at the nicotinic Acetyl Choline Receptors. Due to their pharmacological profile the compounds of the invention may be useful for the treatment of diseases or disorders as diverse as those related to the cholinergic system of the central nervous system (CNS), diseases or disorders related to smooth muscle contraction, endocrine diseases or disorders, diseases or disorders related to neurodegeneration, diseases or disorders related to inflammation, pain, and withdrawal symptoms caused by the termination of abuse of chemical substances.
    Type: Application
    Filed: May 14, 2002
    Publication date: January 2, 2003
    Inventors: Dan Peters, Gunnar M Olsen, Elsebet Ostergaard Nielsen, Philip K Ahring, Simon Feldbaek Nielsen, Tino Dyhring Jorgensen
  • Patent number: 6500962
    Abstract: The present invention relates to a method for producing an &agr;-methylene-&ggr;-butyrolactone which is one of basic structures often shown in drugs such as an anti-cancer agent by reacting an alene compound having an aldehyde or ketone group with carbon monoxide via cyclization in a single step in the presence of a catalyst containing ruthenium, thereby improving total yield of the entire reaction and achieving effects of cost reduction.
    Type: Grant
    Filed: March 15, 2002
    Date of Patent: December 31, 2002
    Assignee: Sungkyunkwan University
    Inventors: Suk-Koo Kang, Kwang-Jin Kim
  • Patent number: 6494947
    Abstract: The invention relates to crimson-colored pigment mixtures comprising 1,4-diketo-2,5-dihydro-3,6-diarylpyrrolo[3,4c]pyrrole and quinacridone pigments in separate crystalline phases, having a high tinctorial strength combined with other excellent application properties. The pigments according to the invention can be used in printing inks, especially in printing inks for polychromatic printed products. A substantial constituent of the pigment mixtures according to the invention is 1,4-diketo-2,5-dihydro-3,6-di(4′-chlorophenyl)pyrrolo[3,4c]pyrrole or 2,9-dichloroquinacridone, which are subjected to kneading with a crystalline inorganic salt and a neutral organic liquid. The invention also relates to a process for the preparation of such pigment compositions, the use thereof in the production of printing inks, and such printing inks themselves.
    Type: Grant
    Filed: September 19, 2001
    Date of Patent: December 17, 2002
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Hanspeter Hauser, Yves Grandidier, Klaus Ruf
  • Patent number: 6492355
    Abstract: The invention provides compounds of general formula in which m, A, R1 and Ar have the meanings defined in the specification; a process for their preparation; pharmaceutical compositions containing them; a process for preparing the pharmaceutical compositions; and their use in therapy.
    Type: Grant
    Filed: June 1, 2000
    Date of Patent: December 10, 2002
    Assignee: AstraZeneca AB
    Inventors: Lilian Alcaraz, Mark Furber, Michael P. Mortimore
  • Publication number: 20020183369
    Abstract: This invention relates to compounds of Formula I 1
    Type: Application
    Filed: April 5, 2002
    Publication date: December 5, 2002
    Inventor: Daisy Joe Du Bois
  • Patent number: 6489492
    Abstract: The present invention relates to a novel chiral derivative of Garcinia acid bearing lactone ring moiety of formula I, wherein: R1=R3=alkali salt of carboxyl acid, or acid chloride or lower esters or part of N-substituted cyclic imides. R2=hydroxyl or protected hydroxyl group and a process for preparing the same.
    Type: Grant
    Filed: September 5, 2001
    Date of Patent: December 3, 2002
    Assignee: Department of Science and Technology
    Inventors: Ibrahim Ibnu Saud, Grace Thomas, Paleappadam Vavan Sasi
  • Patent number: 6479527
    Abstract: A pharmaceutical composition comprising a compound of formula (I): or a pharmaceutically acceptable salt, ester or amide thereof, which is an inhibitor of monocyte chemoattractant protein-1 and wherein A and B together form an optionally substituted 5-member aromatic ring which includes at least one heteroatom; R1 is an optionally substituted aryl or heteroaryl ring; R2 is selected from a range of organic groups including carboxy, and R3 is hydrogen, or a range of organic groups; in combination with a pharmaceutically acceptable carrier. Certain compounds of formula (I) are novel and these form a further aspect of the invention.
    Type: Grant
    Filed: July 26, 2000
    Date of Patent: November 12, 2002
    Assignee: AstraZeneca UK Limited
    Inventors: Andrew J. Barker, Alan W Faull, Jason G. Kettle
  • Patent number: 6461747
    Abstract: Disclosed is a material for a light emitting device excellent in color purity, good in light emitting characteristics and excellent in stability, which consists of a compound represented by the following general formula (I): L&Parenopenst;A)m  (I) wherein A represents a heterocyclic group in which two or more aromatic heterocycles are condensed; m represents an integer of 2 or more, and the heterocyclic groups represented by A may be the same or different; and L represents a connecting group.
    Type: Grant
    Filed: July 21, 2000
    Date of Patent: October 8, 2002
    Assignee: Fuji Photo Co., Ltd.
    Inventors: Hisashi Okada, Toshihiro Ise
  • Publication number: 20020137950
    Abstract: The present invention relates to a novel chiral derivative of Garcinia acid bearing lactone ring moiety of formula I, 1
    Type: Application
    Filed: September 5, 2001
    Publication date: September 26, 2002
    Inventors: Ibrahim Ibnu Saud, Grace Thomas, Paleappadam Vavan Sasi
  • Patent number: 6455703
    Abstract: 1,3,6-Trihydro-6-Aza-3-Oxapentalen-2-One Derivatives which have the following formula: wherein R1, R2, R3, R4, R5, Y, X, m, and n are as defined in the specification.
    Type: Grant
    Filed: December 6, 2000
    Date of Patent: September 24, 2002
    Assignee: Cell Pathways, Inc.
    Inventors: Gerhard Sperl, Rifat Pamukcu
  • Publication number: 20020123507
    Abstract: The present invention relates to bicylic derivatives for treating or preventing neuronal damage associated with neurological diseases. The invention also provides compositions comprising the compounds of the present invention and methods of utilizing those compositions for treating or preventing neuronal damage.
    Type: Application
    Filed: January 3, 2002
    Publication date: September 5, 2002
    Inventors: David Lauffer, Michael Mullican
  • Patent number: 6441019
    Abstract: This invention provides compounds of the formula: wherein A and B are independent substituents selected from S, CH or N; provided that when A is S, B is CH or N; and when B is S, A is CH or N; and A and B cannot both be CH; and when A and B both equal N, one N may be optionally substituted with an C1 to C6 alkyl group; R1 and R2 are independent substituents selected from the group of H, C1 to C6 alkyl, substituted C1 to C6 alkyl, C2 to C6 alkenyl, substituted C2 to C6 alkenyl, C2 to C6 alkynyl, substituted C2 to C6 alkynyl, C3 to C8 cycloalkyl, substituted C3 to C8 cycloalkyl, aryl, substituted aryl, heterocyclic, substituted heterocyclic, CORA, or NRBCORA; or R1 and R2 are fused to form optionally substituted 3 to 8 membered spirocyclic alkyl, alkenyl or heterocyclic ring, the heterocyclic ring containing one to three heteroatoms selected from the group of O, S and N; or pharmaceutically useful salts thereof.
    Type: Grant
    Filed: July 17, 2001
    Date of Patent: August 27, 2002
    Assignees: Wyeth, Ligand Pharmaceuticals, Inc.
    Inventors: Arthur A. Santilli, Andrew Q. Viet, Puwen Zhang, Andrew Fensome, Jay E. Wrobel, James P. Edwards, Todd K. Jones, Christopher M. Tegley, Lin Zhi
  • Patent number: 6409956
    Abstract: An injection-molding process using warp-free pigment compositions including diaryldiketopyrrolo[3,4-C]pyrroles to improve the dimensional stability of the injection molded product by decreasing warping wherein the constituents of the formulation being injection molded are added into an injection molding machine in ready-premixed form or simultaneously as individual components. Preferred pigments are quinacridone pigments, disazo condensation pigments, isoindolinone pigments and pyrrolo[3,4-C]pyrrole pigments with pyrrolo[3,4-C]pyrrole pigments being especially preferred.
    Type: Grant
    Filed: April 20, 1999
    Date of Patent: June 25, 2002
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Franck Rey Flandrin, Guo-Hua Hu, Philippe Bugnon, Zhimin Hao
  • Patent number: 6410556
    Abstract: Disclosed are novel compounds, novel compositions, methods of their use, and methods of their manufacture, where such compounds of Formula 1 are pharmacologically useful inhibitors of Protein Tyrosine Phosphatases (PTPase's) including PTP1B, T cell PTP, wherein n, m, X, R1, R2, R3, R4, R5, R6, and R7 are defined more fully in the description. The compounds are useful in the treatment of type I diabetes, type II diabetes, impaired glucose tolerance, insulin resistance, obesity, and other diseases.
    Type: Grant
    Filed: September 11, 2000
    Date of Patent: June 25, 2002
    Assignees: Novo Nordisk A/S, Ontogen Corporation
    Inventors: Henrik Sune Andersen, Thomas Kruse Hansen, Jesper Lau, Niels Peter Hundahl Møller, Ole Hvilsted Olsen, Frank Urban Axe, Yu Ge, Daniel Dale Holsworth, Todd Kevin Jones, Luke Milburn Judge, Wiliam Charles Ripka, Barry Zvi Shapira, Roy Teruyuki Uyeda
  • Patent number: 6410628
    Abstract: The invention relates to organic compounds having a molecular weight of less than 1000 comprising at least one structural unit of the formula (I) in which R1 is an aromatic or heteroaromatic radical which is capable of absorbing light in the wavelength range from 200 to 650 nm and in doing so brings about cleavage of the adjacent carbon-nitrogen bond. The compounds represent photoinitiators for base-catalyzable reactions. Other subjects of the invention are base-polymerizable or crosslinkable compositions comprising compounds having a structural unit of the formula I, a method of implementing photochemically induced, base-catalyzed reactions, and the use of the compounds as photoinitiators for base-catalyzed reactions.
    Type: Grant
    Filed: June 13, 2001
    Date of Patent: June 25, 2002
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: VĂ©ronique Hall-Goulle, Sean Colm Turner
  • Publication number: 20020077487
    Abstract: Chemically reactive carbocyanine dyes incorporating an indolium ring moiety that is substituted at the 3-position by a reactive group or by a conjugated substance, and their uses, are described. Conjugation through this position results in spectral properties that are uniformly superior to those of conjugates of spectrally similar dyes wherein attachment is at a different position. The invention includes derivative compounds having one or more benzo nitrogens.
    Type: Application
    Filed: September 29, 2001
    Publication date: June 20, 2002
    Applicant: MOLECULAR PROBES, INC.
    Inventors: Wai-Yee Leung, Ching-Ying Cheung, Stephen Yue
  • Patent number: 6399601
    Abstract: This invention relates to compounds of Formula I or stereoisomers, pharmaceutically acceptable salts or prodrugs thereof or a pharmaceutically acceptable salts of the prodrugs. This invention also relates to pharmaceutical compositions comprising a compound of Formula I, and to methods of treatment of diabetes, insulin resistance, diabetic neuropathy, diabetic nephropathy, diabetic retinopathy, cataracts, hyperglycemia, hypercholesterolemia, hypertension, hyperinsulinemia, hyperlipidemia, atherosclerosis, or tissue ischemia.
    Type: Grant
    Filed: September 27, 2000
    Date of Patent: June 4, 2002
    Assignee: Pfizer Inc.
    Inventor: Daisy Joe Du Bois
  • Publication number: 20020058216
    Abstract: Disclosed is a silver halide photographic material which comprises at least one methine dye represented by the following formula (I): 1
    Type: Application
    Filed: August 17, 2001
    Publication date: May 16, 2002
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Tetsuo Nakamura, Takanori Hioki, Katsuhisa Ohzeki, Naoyuki Hanaki
  • Patent number: 6388093
    Abstract: A synthesis for preparing asymmetrical 1,4-diketopyrrolo[3,4-c]pyrroles involving: (a) reacting a &bgr;-ketoamide with a strong base; (b) halogenating the same or a different &bgr;-ketoamide; (c) reacting the reaction products of step (a) and (b) to form a succinamide; and (d) heating the succinamide in the presence of a Lewis Acid. Symmetrical 1,4-diketopyrrolo [3,4-c]pyrroles are synthesized by oxidatively dimerizing the reaction product of step (b) to form a succinamide; and heating the succinamide in the presence of a Lewis Acid.
    Type: Grant
    Filed: January 5, 2001
    Date of Patent: May 14, 2002
    Assignee: Sun Chemical Corporation
    Inventors: Terrence R. Chamberlain, Craig Thornley
  • Patent number: 6384234
    Abstract: This invention is directed to compounds and intermediates of Formulae 6 and 3, useful in preparing herbicidal sulfonamides of Formula 1, including all geometric and stereoisomers thereof, and agricultural salts thereof. wherein the substituents are defined in the specification.
    Type: Grant
    Filed: December 30, 1999
    Date of Patent: May 7, 2002
    Assignee: Degussa AG
    Inventors: Eric Deguyon Taylor, Viacheslav Alexandrovich Petrov, Matthias Schaeffer, Karlheinz Drauz, Anne Vogt, Christoph Weckbecker, Steven Swearingen, Balreddy Kamireddy
  • Patent number: 6375734
    Abstract: An alpha-II form of a 1,4-diketo-3,6-di(4′-tertiary butyl phenyl)-2,5-dihydro pyrrolo[3,4-c]pyrrole pigment characterized by C.I.E color space values, particularly a high chroma value and yellow hue, in masstone, and a process for its preparation is disclosed. The 1,4-diketo-3,6-di(4′-tertiary butyl phenyl)-2,5-dihydro pyrrolo[3,4-c]pyrrole pigment is especially useful for coloring coating compositions, such as automotive paints, and plastics.
    Type: Grant
    Filed: November 14, 2000
    Date of Patent: April 23, 2002
    Assignee: Ciba Specialty Chemicals Corporation
    Inventor: Fridolin Bäbler
  • Publication number: 20020042427
    Abstract: The invention relates to certain indolinone compounds, their method of synthesis, and a combinatorial library consisting of the indolinone compounds of the invention. The invention also relates to methods of modulating the function of protein kinases using indolinone compounds of the invention and methods of treating diseases by modulating the function of protein kinases and related signal transduction pathways.
    Type: Application
    Filed: February 28, 2001
    Publication date: April 11, 2002
    Inventors: Peng Cho Tang, Todd A. Miller, Xiaoyuan Li, Ruofei Zhang, Jinrong Cui, Ping Huang, Chung Chun Wei
  • Patent number: 6369069
    Abstract: The invention relates to compounds of the formula (I), in which the symbols have the following meaning: R(1) is 1. alkyl having 1, 2, 3, 4, 5, 6, 7 or 8 carbon atoms; 2. alkyl having 1, 2, 3, 4, 5, 6, 7 or 8 carbon atoms, in which one to all hydrogen atoms are replaced by fluorine; 3. alkenyl having 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 or 12 carbon atoms; or 4. —CnH2n−nn—Y, nn is zero or 2; and n is zero, 1, 2, 3 or 4; where n is unequal to zero or 1 if nn is equal to 2; 5. —CnH2n−nn—Y, nn is zero or 2; and n is 1, 2, 3 or 4; where n is unequal to 1 if nn is equal to 2.
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: April 9, 2002
    Assignee: Aventis Pharma Deutschland GmbH
    Inventors: Heinz-Werner Kleemann, Hans-Jochen Lang, Jan-Robert Schwark, Andreas Weichert, Sabine Faber, Hans-Willi Jansen, Stefan Petry
  • Patent number: 6365615
    Abstract: Novel compounds of the formula I which are useful for treating or preventing inflammatory and immune cell-mediated diseases. Exemplary compounds are: 2-(3,5-Dichlorophenyl)-7-(R*)-phenyl-7a-(R*)-tetrahydropyrrolo[1,2-c]imidazole-1,3-dione; 2-(3,5-Dichlorophenyl)-7a-(R*)-methyl-7-(R*)-phenyl-tetrahydropyrrolo[1,2-c]imidazole-1,3-dione; and, 7-(R*)-(4-Bromophenyl)-2-(3,5-dichlorophenyl)-7a-(R*)-tetrahydropyrrolo[1,2-c]imidazole-1,3-dione.
    Type: Grant
    Filed: June 28, 2000
    Date of Patent: April 2, 2002
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Terence Alfred Kelly, Jiang-Ping Wu, Daniel Kuzmich
  • Publication number: 20020038028
    Abstract: Compounds of the formula 1
    Type: Application
    Filed: November 21, 2001
    Publication date: March 28, 2002
    Inventors: Daniel Yohannes, Mark W. Bundesmann
  • Patent number: 6361594
    Abstract: A process is disclosed for the direct preparation of pigmentary 1,4-diketopyrrolo-[3,4-c]pyrroles of the formula (I) wherein each of R1 and R2 independently of the other is an isocyclic or heterocyclic aromatic radical, which process comprises heating an appropriate molar ratio of a disuccinate with a nitrile of the formula (II) R1—CN  (II) or of the formula (III) R2—CN  (III) or with mixtures of said nitrites, in an organic solvent and in the presence of a strong base and an effective amount of a selected particle growth inhibitor of formula (IV)-(X), and then obtaining the compound of formula (I) from the reaction product by protolysis. The process yields pigmentary 1,4-diketopyrrolo-[3,4-c]pyrroles directly, i.e., without the need for additional particle-size reducing aftertreatments. Also disclosed is a composition comprising a pigmentary 1,4-diketopyrrolo-[3,4-c]pyrrole and the particle growth inhibitor.
    Type: Grant
    Filed: February 14, 2000
    Date of Patent: March 26, 2002
    Assignee: Ciba Specialty Chemicals Corporation
    Inventor: Shivakumar B. Hendi
  • Publication number: 20020035262
    Abstract: Compounds of the formula 1
    Type: Application
    Filed: November 21, 2001
    Publication date: March 21, 2002
    Inventors: Daniel Yohannes, Mark W. Bundesmann
  • Patent number: 6355783
    Abstract: The invention relates to novel soluble pigment precursors possessing not only higher thermal stability but also improved solubility characteristics and to a process for mass coloration of high temperature polymers that utilizes these novel soluble pigment precursors. The pigment precursors of the invention are essentially of the formula A(B)x  (I) where x is an integer from 1 to 8, A is the radical of a chromophore of the quinacridone, anthraquinone, perylene, indigo, quinophthalone, indanthrone, isoindolinone, isoindoline, dioxazine, azo, phthalocyanine or diketopyrrolopyrrole series, this radical being linked with xB groups via one or more heteroatoms, these heteroatoms being selected from the group consisting of N, O and S and forming part of the radical A, and B is hydrogen or a group of the formula although at least one B group is not hydrogen and when x is from 2 to 8 the B groups may be identical or different.
    Type: Grant
    Filed: September 7, 2000
    Date of Patent: March 12, 2002
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Leonhard Feiler, Zhimin Hao
  • Publication number: 20020028953
    Abstract: The present invention relates to a process process for the preparation of the compound of the formula I 1
    Type: Application
    Filed: January 26, 2001
    Publication date: March 7, 2002
    Applicant: Merckle GmbH
    Inventors: Thomas Kammermeier, Stefan Laufer, Philipp Merckle, Hans-Guenter Striegel
  • Publication number: 20020028841
    Abstract: The invention is directed to substituted thieno[2,3-b]pyrrolidin-5-ones. The compounds are useful as inhibitors of cellular production of tumor necrosis factor (TNF-&agr;) and as antiproliferative agents. These compounds are useful in the treatment or control of neuro-degenerative diseases, cardiovascular diseases, cancer or inflammatory diseases.
    Type: Application
    Filed: June 26, 2001
    Publication date: March 7, 2002
    Inventors: Adrian Liam Gill, William Harris
  • Publication number: 20020010331
    Abstract: A process for preparing diketopyrrolopyrrole pigments comprises conducting the elementary steps of pigment synthesis (reaction and hydrolysis) in a miniaturized continuous reactor.
    Type: Application
    Filed: June 5, 2001
    Publication date: January 24, 2002
    Applicant: Clariant GmbH
    Inventors: Uwe Nickel, Leonhard Unverdorben, Joachim Weber, Erwin Dietz, Juergen Patzlaff
  • Publication number: 20010051651
    Abstract: 1,3,6-Trihydro-6-Aza-3-Oxapentalen-2-One Derivatives for inhibiting neoplastic conditions.
    Type: Application
    Filed: December 6, 2000
    Publication date: December 13, 2001
    Inventors: Gerhard Sperl, Rifat Pamukcu
  • Patent number: 6323229
    Abstract: A compound of the formula wherein m, R1, R2, R3, R4, R5 and X are as defined, useful in treating or preventing migraine, depression and other disorders for which a 5-HT1 agonist or antagonist is indicated.
    Type: Grant
    Filed: April 14, 1999
    Date of Patent: November 27, 2001
    Assignee: Pfizer INC
    Inventor: Harry R. Howard
  • Patent number: 6288081
    Abstract: The invention relates to the use of quinolone- and naphthyridonecarboxylic acid derivatives which are substituted in position 7 by a 1-aminomethyl-2-oxa-7-azabicyclo[3.3.0]oct-7-yl radical, and of their salts for the therapy of Helicobacter pylori infections and associated gastroduodenal disorders.
    Type: Grant
    Filed: August 6, 1999
    Date of Patent: September 11, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Uwe Petersen, Michael Matzke, Thomas Jaetsch, Thomas Schenke, Thomas Himmler, Stephan Bartel, Bernd Baasner, Hans-Otto Werling, Klaus Schaller, Harald Labischinski, Rainer Endermann
  • Patent number: 6274728
    Abstract: Compounds of formula A(B)x  (I), wherein x is an integer from 1 to 8, A is the radical of a chromophore of the quinacridone, anthraquinone, perylene, indigo, quinophthalone, indanthrone, isoindolinone, isoindoline, dioxazine, azo, phthalocyanine or diketopyrrolopyrrole series that is bonded to x groups B via one or more hetero atoms, those hetero atoms being selected from the group consisting of N, O and S and forming part of the radical A, each group B independently of any other(s) is hydrogen or a group of the formula  at least one group B being a group of the formula The compounds according to the invention are used in high-molecular-weight organic materials, thermo-, photo- or chemo-sensitive recording materials, light-sensitive negative or positive resist compositions, ink compositions for ink-jet printing and color tapes for thermal transfer printing.
    Type: Grant
    Filed: December 16, 1999
    Date of Patent: August 14, 2001
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: VĂ©ronique Hall-Goulle, Aline Bize
  • Patent number: 6262060
    Abstract: The invention relates to azacycloalkane derivatives, to pharmaceutical compositions containing them, to processes for preparing them, and to methods for the treatment of hyperglycaemia, diabetes, obesity or inflammation utilizing them.
    Type: Grant
    Filed: November 27, 2000
    Date of Patent: July 17, 2001
    Assignee: Sanofi-Synthelabo
    Inventors: Manuel Bedoya-Zurita, Juan Antonio Diaz Martin, Marc Daumas