Patents Represented by Attorney Donald C. Gipple
  • Patent number: 4491584
    Abstract: Certain compounds in which a carbon atom of a pyrrolidine or piperidine ring is bonded directly or through a methylene group to the nitrogen of a phenyl-substituted urea, and their pharmaceutically acceptable salts, are active antiarrhythmic agents.
    Type: Grant
    Filed: November 19, 1981
    Date of Patent: January 1, 1985
    Assignee: Riker Laboratories
    Inventor: Elden H. Banitt
  • Patent number: 4351938
    Abstract: Partially depolymerized heparin products having particular analyzable reducing end groups, a process for their preparation and their use as anticoagulants and antithrombotics.
    Type: Grant
    Filed: May 19, 1980
    Date of Patent: September 28, 1982
    Assignee: Riker Laboratories, Inc.
    Inventor: William E. Barnett
  • Patent number: 4341901
    Abstract: 2-Trifluoromethylalkanesulfonanilides substituted in the para position by alkylthio, alkylsulfinyl or alkylsulfonyl groups and agriculturally acceptable salts thereof are useful herbicides and plant growth regulators.
    Type: Grant
    Filed: October 14, 1980
    Date of Patent: July 27, 1982
    Assignee: Minnesota Mining and Manufacturing Co.
    Inventors: Sharon L. Ruffing, Wallace E. Burg, Ezzat A. Mikhail
  • Patent number: 4339587
    Abstract: Substituted 2-(trifluoroethoxy)benzamide, benzoic acid and benzoate compounds which are intermediates in the preparation of pharmaceutically active agents.
    Type: Grant
    Filed: June 8, 1981
    Date of Patent: July 13, 1982
    Assignee: Riker Laboratories, Inc.
    Inventor: Elden H. Banitt
  • Patent number: 4338311
    Abstract: Stable, solid formulations of choline salicylate and hydrophilic silicon dioxide, a process for their preparation and a method for their use.
    Type: Grant
    Filed: October 27, 1980
    Date of Patent: July 6, 1982
    Assignee: Riker Laboratories, Inc.
    Inventor: Ralph A. Heasley
  • Patent number: 4331817
    Abstract: A process for the preparation of a 4-arylthioaniline from the corresponding 4-unsubstituted aniline which comprises reacting the latter with an alkali metal thiocyanate in the presence of halogen to provide the 4-thiocyanoaniline, reacting it with an alkali metal sulfide to convert the thiocyano moiety to an alkali metal mercaptide group followed by heating with cuprous oxide then with an aryl halide to form the desired product.
    Type: Grant
    Filed: January 16, 1981
    Date of Patent: May 25, 1982
    Assignee: Minnesota Mining and Manufacturing Co.
    Inventor: James R. Throckmorton
  • Patent number: 4322495
    Abstract: An immunoassay for the detection of antibodies for canine heartworm (D. immitis) in the blood serum of dogs by immobilizing D. immitis microfilariae on a solid support which is then inoculated with a sample of the blood serum being tested, incubated and washed to remove unreacted material then developed utilizing an enzyme-labeled indicating anti-antibody reagent and a substrate therefor. Also disclosed is a related method for detecting canine heartworm microfilariae in canine blood.
    Type: Grant
    Filed: March 11, 1980
    Date of Patent: March 30, 1982
    Assignee: Minnesota Mining and Manufacturing Co.
    Inventor: Kenneth H. Kato
  • Patent number: 4298532
    Abstract: 2-Nitrobenzofurans in which the furan ring is either fused to or substituted by a fused bicyclic system, which are active as antimicrobial agents, processes for their use and intermediates therefor are described.
    Type: Grant
    Filed: January 21, 1980
    Date of Patent: November 3, 1981
    Assignee: Riker Laboratories, Inc.
    Inventors: Robert A. Scherrer, Richard M. Stern
  • Patent number: 4275221
    Abstract: Compounds wherein 2-nitrobenzofuran is substituted by one or two phenyl groups and certain other substituents which are active as antimicrobial agents, processes for their use and intermediates therefor.
    Type: Grant
    Filed: January 21, 1980
    Date of Patent: June 23, 1981
    Assignee: Riker Laboratories, Inc.
    Inventors: Walton J. Hammar, Mark A. Rustad
  • Patent number: 4260547
    Abstract: 2-Nitrobenzofurans in which the furan ring is either fused to or substituted by a fused bicyclic system, which are active as antimicrobial agents, processes for their use and intermediates therefor are described.
    Type: Grant
    Filed: January 21, 1980
    Date of Patent: April 7, 1981
    Assignee: Riker Laboratories, Inc.
    Inventors: Robert A. Scherrer, Richard M. Stern
  • Patent number: 4258213
    Abstract: Compounds wherein 2-nitrobenzofuran is substituted by one or two phenyl groups and certain other substituents which are active as antimicrobial agents, processes for their use and intermediates therefor.
    Type: Grant
    Filed: January 21, 1980
    Date of Patent: March 24, 1981
    Assignee: Riker Laboratories, Inc.
    Inventors: Walton J. Hammar, Mark A. Rustad
  • Patent number: 4252708
    Abstract: Storage-stable, one-part, curable resin systems containing a latent Lewis acid catalyst which can be activated by applying mechanical force to the system.
    Type: Grant
    Filed: June 28, 1979
    Date of Patent: February 24, 1981
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Richard G. Newell
  • Patent number: 4247469
    Abstract: Compounds wherein 2-nitrobenzofuran is substituted by one or two phenyl groups and certain other substituents which are active as antimicrobial agents, a processes for their use and intermediates therefor.
    Type: Grant
    Filed: January 21, 1980
    Date of Patent: January 27, 1981
    Assignee: Riker Laboratories, Inc.
    Inventors: Walton J. Hammar, Mark A. Rustad
  • Patent number: 4246179
    Abstract: Compounds wherein 2-nitrobenzofuran is substituted by one or two phenyl groups and certain other substituents which are active as antimicrobial agents, processes for their use and intermediates therefor.
    Type: Grant
    Filed: January 21, 1980
    Date of Patent: January 20, 1981
    Assignee: Riker Laboratories, Inc.
    Inventors: Walton J. Hammar, Mark A. Rustad
  • Patent number: 4237252
    Abstract: Storage-stable, one-part, curable resin compositions comprising I. a latent catalyst which comprises rupturable microcapsules having shell walls of a crosslinked interfacial polyurethane-polyether reaction product and liquid fills of a Lewis acid-glycerol complex, II. a cationically curable monomer composition and III. a Lewis base scavenger.
    Type: Grant
    Filed: June 28, 1979
    Date of Patent: December 2, 1980
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Richard G. Newell, Harold E. Rude
  • Patent number: 4232043
    Abstract: Compounds in which 2,6-di(t-butyl)phenol is substituted in the 4 p;osition by an optionally substituted phenyl group have valuable pharmacological activity as anti-inflammatory agents.
    Type: Grant
    Filed: July 6, 1979
    Date of Patent: November 4, 1980
    Assignee: Riker Laboratories, Inc.
    Inventor: George G. I. Moore
  • Patent number: 4231965
    Abstract: 2-Nitrobenzofurans in which the furan ring is either fused to or substituted by a fused bicyclic system, which are active as antimicrobial agents, processes for their use and intermediates therefor are described.
    Type: Grant
    Filed: March 5, 1979
    Date of Patent: November 4, 1980
    Assignee: Riker Laboratories, Inc.
    Inventors: Robert A. Scherrer, Richard M. Stern
  • Patent number: 4225460
    Abstract: Microcapsules with liquid fills containing Lewis acid catalysts, catalyst concentrates comprising slurries of the microcapsules in liquid media and a method for preparing the microcapsules and concentrates.
    Type: Grant
    Filed: June 28, 1979
    Date of Patent: September 30, 1980
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Richard G. Newell
  • Patent number: 4224422
    Abstract: Curable expoy resin-polyisocyanate systems which incorporate a minor amount of a cationically polymerizable, ethylenically unsaturated monomer and which are catalyzed by a Lewis acid.
    Type: Grant
    Filed: June 28, 1979
    Date of Patent: September 23, 1980
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Harold E. Rude, Richard G. Newell
  • Patent number: 4219501
    Abstract: Compounds in which 2,6-di(t-butyl)phenol is substituted in the 4 position by an optionally substituted phenyl group have valuable pharmacological activity as anti-inflammatory agents.
    Type: Grant
    Filed: July 6, 1979
    Date of Patent: August 26, 1980
    Assignee: Riker Laboratories, Inc.
    Inventor: George G. I. Moore