Quotables
"Inventing is a combination of brains and materials. The more brains you use, the less material you need."
Charles Kettering
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4487830 | Enzyme/immunofluorescent assay for autoantibodies A method for the determination of autoantibody in a test sample comprises contacting a substrate for the autoantibody with sample; treating the contacted substrate with labeled antihuman antibody selected from (1) a mixture comprising enzyme labeled antih... | 12/11/1984 |
| 4472499 | Reagents for the determination of enzymes Assay reagents for the determination of enzymes such as -amylase, -glucosidase, ଲ-glucosidase, and acid and alkaline phosphatases are described. The reagents comprise a substrate capable of releasing the chromophore p-nitrophenol at a ... | 09/18/1984 |
| 4434293 | Tetrahydrothiophene derivatives and methods of preparation The novel compounds cis-3-hydroxy-4-mercaptotetrahydrothiophene (I) and octahydrodithieno(3,4-b:3',4'e) 1,4-dithin (II) are prepared from 1,4-dithiothreitol and 1,4-dithioerythritol respectively. (I) has utility as an antibacterial agent. (II) has utility... | 02/28/1984 |
| 4409330 | Material and method for removing immunoglobulins from whole blood An immunoadsorbent material comprising inactivated, protein-A bearing Staphlococcus aureus immobilized in a polymeric matrix is used to remove IgG immunoglobulins and immune complexes from whole blood.... | 10/11/1983 |
| 4403037 | Erythrocyte preparations and use thereof in hemagglutination tests Erythrocytes are coated with specific hemagglutinating virus antigen and then treated to produce a stabilized, antigen coated erythrocyte preparation which is used in the determination of antibody in biological fluids.... | 09/06/1983 |
| 4260681 | Reagent system and method for assaying peptidase enzymes A reagent system for assaying a biological specimen for a peptidase enzyme comprising a peptide substrate in which the C-terminal amino acid is dehydroalanine, the enzyme lactate dehydrogenase, the reduced coenzyme nicotinamide adenine dinucleotide and a ... | 04/07/1981 |
| 4234680 | Method for terminating a peroxidase catalyzed reaction Addition of a low concentration of an alkali metal metabisulfite completely stops color development in a peroxidase-labeled immunoassay wherein the peroxidase catalyzed reaction comprises oxidation of an achromatic substrate to the corresponding chromatic... | 11/18/1980 |
| 4228237 | Methods for the detection and determination of ligands A method for determining the presence of a ligand in a liquid medium which utilizes enzyme labeled avidin and biotin labeled reagent in a specific binding process wherein the ligand to be detected is contacted with an insoluble phase containing specific b... | 10/14/1980 |
| 4208204 | 3-Hydroxy-3-methylglutaric acid monoamide and derivatives thereof Disclosed as novel compounds are 3-hydroxy-3-methylglutaric acid monoamide and the lower alkyl esters and salts thereof, 3-hydroxy-3-methylglutaramide mononitrile and 3-hydroxy-3-methylglutaramide. 3-Hydroxy-3-methylglutaric acid monoamide and deriva... | 06/17/1980 |
| 4174798 | Portable pocket for pocket watches A watch pocket for mounting on a belt includes a pair of pliable sheets shaped and secured together to form an upwardly opening pocket and a transverse belt receiving loop behind the pocket with a pair of vertical relief slits formed in the wall between t... | 11/20/1979 |
| 4146648 | Chemotherapeutic composition A therapeutic composition for treating adrenal cortical carcinoma comprising 1,1-dichloro-2-(o-chlorophenyl)-2-(p-chlorophenyl)ethane and an oil carrier or vehicle.... | 03/27/1979 |
| 4133893 | Topical treatment of skin diseases A topical preparation for the treatment of skin diseases such as acne vulgaris, acne rosacea, psoriasis and herpes simplex which comprises 1,1-dichloro-2-(o-chlorophenyl)-2-(p-chlorophenyl)ethane and a pharmaceutically acceptable carrier or diluent.... | 01/09/1979 |
| 4105794 | Process of mitigating cholelithiasis Therapeutic composition useful for mitigating cholelithiasis in humans comprising 3-hydroxy-3-methylglutaric acid, or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable non-toxic carrier.... | 08/08/1978 |
| 4055652 | 1-[ଲ(R-thio)phenethyl]imidazoles and derivatives thereof Novel 1-[ଲ-(R-thio)phenethyl]-imidazoles and the corresponding 1-[ଲ-(R-sulfinyl)phenethyl]imidazoles and 1-[ଲ-(R-sulfonyl)phenethyl]imidazoles wherein R is alkyl, alkenyl, aralkenyl, substituted aralkenyl, alkynyl, cycloalkyl, cycloalkyl... | 10/25/1977 |
| 4049806 | Cephalosporin type antibacterials 3-[3-(1-Methyltetrazol-5-ylthio)-prop-1-(t)-enyl]-7ଲ-(-phenylac etamido)-ceph-3-em-4-carboxylic acid; 7ଲ-(-phenylacetamido)-3-[3-(1,2,4-triazol-5-ylthio)-prop-1-(t) -enyl]-ceph-3-em-4-carboxylic acid derivatives and salts thereof; ... | 09/20/1977 |
| 4011315 | 21-Acetals and mixed acetals of steroidal 21-aldehydes, intermediates and methods of preparation 21-ACETALS AND MIXED ACETALS OF STEROIDS OF THE CORTICOID SERIES ARE PREPARED FROM THE CORRESPONDING 21-HYDROXY STEROIDS AND HAVE UTILITY AS ANTI-INFLAMMATORY AGENTS.... | 03/08/1977 |
| 3996358 | 21-Esters of steroidal-21-aldehyde hydrates and 21-aldehyde hemiacetals and methods of preparation 21-Esters of 21-aldehyde hydrates and 21-aldehyde hemiacetals of steroids of the corticoid series are prepared from the corresponding 21-hydroxy steroids and have utility as antiinflammatory agents.... | 12/07/1976 |
