Bizarre Patents
A new toilet tank assembly aquarium for housing aquatic creatures.
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 |
| 8022228 | Crystal form of asenapine maleate The invention relates to an orthorhombic crystal form of compound trans-5-chloro-2,3,3a,12b-tetrahydro-2-methyl-1H-dibenz[2,3:6,7]oxepino[4,5-c]pyrrole(Z)-2-butenedioate, to methods for the preparation of this crystal form and to pharmaceutical compositions comprisi... | 09/20/2011 |
| 7345034 | Azacyclosteroid histamine-3 receptor ligands Azacyclosteroid histamine-3 receptor ligands, pharmaceutical compositions comprising such compounds, and methods for using such compounds and compositions are described herein. ... | 03/18/2008 |
| 6130101 | Sulfonated xanthene derivatives The present invention describes xanthene dyes, including rhodamines, rhodols and fluoresceins that are substituted one or more times by a sulfonic acid or a salt of a sulfonic acid. The dyes of the invention, including chemically reactive dyes and dye-con... | 10/10/2000 |
| 5977379 | Process for the preparation of flame-resistant halogenated imide compounds The invention relates to the preparation of halogenated imides derived from hydrazine, a halogen and a dicarboxylic acid anhydride and capable of being employed as fireproofing agents for plastics. A dicarboxylic acid anhydride is halogenated with bromine, chl... | 11/02/1999 |
| 5936097 | 4,9-ethano-benzo(F)isoindole derivatives as farnesyl transferase inhibitors Novel products of formula (I): ##STR1## preparation thereof and pharmaceutical compositions containing said products are disclosed. In formula (I), R is a group of formula --(CH2)m --X1 --(CH2)n ... | 08/10/1999 |
| 5869691 | Aminoalkyl-indoles The present invention provides novel tetrahydro-beta-carboline compounds having useful central nervous system activity. Further, there is provided tetrahydro-beta-carboline related compounds which are useful intermediates and have beneficial central nervo... | 02/09/1999 |
| 5854273 | Bisimide compounds A compound of formula (I) ##STR1## in which: X and Y, which may be identical or different, represent hydrogen or halogen or alkyl, trihaloalkyl, alkoxy, hydroxyl, cyano, nitro, amino, alkylamino, or dialkylamino, Z represent a linear or branched C | 12/29/1998 |
| 5852204 | Pyrrolo3,2-b-!-carbazoles and 1H1!benzothieno 2,3-f! indoles having anti-tumor activity The present invention relates to heterocyclic compounds which have been found to have anti-tumor activity. More specifically, the invention concerns pyrrolo3,2-b!carbazoles and 1H-1! benzothieno 2,3-f! indoles, methods for their preparation, pharmac... | 12/22/1998 |
| 5786379 | Adamantyl-substituted biaromatic compounds and pharmaceutical/cosmetic compositions comprised thereof Novel pharmaceutically/cosmetically-active adamantyl-substituted biaromatic compounds have the structural formula (I): ##STR1## wherein Ar is a radical having one of the formulae (a')-(f'): ##STR2## and are useful for the treatment of a wide var... | 07/28/1998 |
| 5708186 | Stereoselective process This invention relates to a method for the stereoselective synthesis of a 2-aryloxycarboxylic acid using a chiral auxiliary to enhance the stereoselectivity of the alkylation of the -halo acid with an aryloxy group.... | 01/13/1998 |
| 5612356 | Heterocycle-containing carbonic acid derivatives A heterocycle-containing carbonic acid derivative represented by the following general formula (I): ##STR1## or a physiologically acceptable salt thereof which exhibits an excellent preventive and therapeutic effect against various diseases, and an ... | 03/18/1997 |
| 5389141 | Stabilization of pyrrolopyrrole pigments Pigment compositions comprising a) at least one pyrrolo[3,4-c]pyrrole pigment of the formula ##STR1## in which A and B, independently of one another, are isocyclic or heterocyclic aromatic radicals, and D is an oxygen or sulfur atom, and b) from 1 to 100%... | 02/14/1995 |
| 5378276 | Diketopyrrolopyrroles containing nitroxyl groups Diketopyrrolopyrroles of formula ##STR1## wherein R1, R2, R3 and R4 are each independently of one another hydrogen, chloro, C1 -C4 alkyl, methoxy, phenyl, cyano or a group --X1 | 01/03/1995 |
| 5322944 | Process for the synthesis of enantiomers of 3-aminochroman compounds Process for preparing enantiomers of general formula (I): ##STR1## where Z, R1, R2, R3 and n are defined in the description. The compounds obtained according to the invention are useful as medicinal products.... | 06/21/1994 |
| 5276053 | Polycyclic amines useful as cerebrovascular agents A novel series of polycyclic amines, derivatives, methods of making the compounds, novel intermediates, compositions containing them, and methods for using them in the treatment and prevention of cerebrovascular disorders are disclosed.... | 01/04/1994 |
| 5219879 | Heterocyclic steroid compounds The present invention relates to novel substituted 15-oxa-, 15-thia-, and 15-aza- dihydrolanosterols, to pharmaceutical compositions containing such compounds, and to methods of using these compounds to suppress the activity of 3-hydroxy-3- methylglutaryl... | 06/15/1993 |
| 5204467 | Visible photosensitizers for photopolymerizable compositions Photopolymerizable compositions containing photoinitiator systems that absorb in the visible are disclosed.... | 04/20/1993 |
| 5162545 | Malonic acid dyes and polycondensation products thereof Malonic acid dyes capable of forming polycondensation products have the formula ##STR1## where R1 and R2 are each independently of the other hydroxyl, C1 -C6 -alkoxy, chlorine or bromine, R3 is h... | 11/10/1992 |
| 5071853 | Polycyclic amines useful as cerebrovascular agents A novel series of polycyclic amines, derivatives, methods of making the compounds, novel intermediates, compositions containing them, and methods for using them in the treatment and prevention of cerebrovascular disorders are disclosed.... | 12/10/1991 |
| 4968679 | 8-substituted 2-aminotetralins New 8-substituted 2-aminotetralins can be prepared from the corresponding aminotetralins or tetralones. They can be used in medicaments.... | 11/06/1990 |
| 4904796 | Preparation of a blue anthraquinonoid disperse dye of 1,4-naphthoquinone-[2,]-phthalimides Blue anthraquinonoid disperse dyes are prepared by reacting a 1-amino-4-nitroanthraquinonecarboxamide (II) with a cyanide in an aqueous medium in the presence of hydroxyl ion acceptors at above 20° C. by a process in which the reaction is carried out in ... | 02/27/1990 |
| 4894187 | Flame resistant compositions and method of using same The invention relates to the preparation of halogenated imides derived from hydrazine and halogenated dicarboxylic acid anhydride and which can be used as flameproofing agents for plastics. The condensation of hydrazine and halogenated dicarboxylic acid a... | 01/16/1990 |
| 4871656 | Photographic silver halide elements containing infrared filter dyes A dye useful for absorbing infrared radiation in photographic elements, having the structure: ##STR1## is disclosed. In this formula, R1 and R2 each independently represents sulfoalkyl, carboxyalkyl, or sulfatoalkyl, from 2 to 4... | 10/03/1989 |
| 4841057 | Cyclic imido anthraquinone compounds An anthraquinone compound represented by formula: ##STR1## wherein R and X are as defined in the specification, and a polarizing film containing the same. The anthraquinone compound exhibits satisfactory compatibility with organic polymers and high d... | 06/20/1989 |
| 4777266 | Process for the preparation of anthraquinoid disperse dyes and mixtures thereof A process for the preparation of dyes of formula (1) as indicated in claim 1 or of mixtures of such dyes is described. The dyes of formula (1) are obtained by reacting 1,4-diaminoanthraquinone-2,3-dicarboximide, or the corresponding monoimino compound, wi... | 10/11/1988 |
| 4735839 | Optical information recording medium An optical information recording medium comprises a plastic substrate and a recording layer containing an indole type polymethine compound wherein the substituents attached to N atoms in the indole and indolene rings must be different from each other. The... | 04/05/1988 |
| 4584012 | 1-phenylthio-1-cyclopropanecarbonitrile and substituted phenylthio derivatives thereof as crop protectants 1-Phenylthio-1-cyclopropanecarbonitrile and substituted phenylthio derivatives thereof reduce herbicidal injury of certain food crops treated with a herbicide for control of weeds.... | 04/22/1986 |
| 4565876 | Process A novel process for the preparation of a 16-imino-17-aza-steroid of the formula ##STR1## wherein A is selected from the group consisting of hydrogen and tritium comprising reacting a compound of the formula ##STR2## wherein A has the above ... | 01/21/1986 |
| 4560768 | Polyimido-ester compounds and thermoset resin compositions containing same Polyimido-ester compounds having the formula RO--C(O)--R1 --C(O)--OR are disclosed wherein R is an alkylene N-dicarboximido radical containing cycloolefinic unsaturation and R1 is the divalent residue of an unsaturated polycarboxylic... | 12/24/1985 |
| 4555563 | Imide functional polyphenols; thermosettable compositions containing same and cured products therefrom Imide functional polyphenols are prepared by reacting an excess of a phenol with an unsaturated diimide which is prepared by reacting an unsaturated polycycloaliphatic dicarboxylic acid anhydride with a diamine. These materials are useful in the preparation of... | 11/26/1985 |
| 4550178 | Dye mixture of 1,4-diamino anthraquinone-N-gamma-methoxy propyl-2,3-dicarboximide and 1,4-diamino anthraquinone-N-methoxyethoxy propyl-2,3-dicarboximide, processes for producing it, useful for dyeing and printing hydrophobic fiber materials. There are described dye mixed crystals consisting of 1 part of the dye of the formula ##STR1## and 0.5-5 parts of the dye of the formula ##STR2## the production thereof, and their use for dyeing and printing hydrophobic fiber materials, par... | 10/29/1985 |
| 4491666 | Preparation of anthraquinoid disperse dyes An improvement in the process for the preparation of dispersed dyes of compounds of the formula ##STR1## where X is >O or >NH and R is C1 -C12 -alkyl, C2 -C6 -hydroxyalkyl, alkoxyalkyl of 3 to 12 carbon ato... | 01/01/1985 |
| 4455431 | Method for making bis-etherphthalimides A simplified method is provided for making aromatic bis-etherphthalimides by employing a polychlorinated C.sub.(1-3) alkane solution of nitro-N-organophthalimide directly with alkali metal bisphenoxide salt in a refluxing nonpolar organic solvent. After t... | 06/19/1984 |
| 4377673 | Polymerization products of di-acetylene-terminated polyimide derivatives Novel, unsaturated diacteylene-terminated polyimides and processes for their preparation are disclosed herein. These new polyimides are derivatives of anhydride-terminated aromatic polyimides from which they can be prepared by amidation to provide new uns... | 03/22/1983 |
| 4377525 | Addition products of diacetylene-terminated polyimide derivatives and a dienophile having a terminal vinyl group Novel, unsaturated diacetylene-terminated polyimides and processes for their preparation are disclosed herein. These new polyimides are derivatives of anhydride-terminated aromatic polyimides from which they can be prepared by amidation to provide new uns... | 03/22/1983 |
| 4302396 | Chlorinated 4-methylphthalic anhydrides Novel chlorinated 4-methylphthalic acids or anhydrides of the general formula ##STR1## wherein n is an integer of 1, 2 or 3, with the proviso that when n is 1, the chlorine atom is positioned at 3- or 5-position and when n is 2, the chlorine ato... | 11/24/1981 |
| 4271179 | 1,2,3,3a,8,12b-Hexahydro-dibenzo[1,2;5,6]cyclohepta[3,4-C]pyrroles and pharmaceutical use thereof The invention relates to novel dibenzo[1,2;5,6]cyclohepta pyridine or -pyrrole derivatives, dibenzo[2,3;6,7]oxepino pyridine or pyrrole derivatives, dibenzo[2,3;6,7]thiepino pyridine or pyrrole derivatives and dibenzo[b,f]pyrido or pyrrolo azepine derivat... | 06/02/1981 |
| 4213900 | Spray-drying method for the preparation of water-dispersible pulverulent disperse dye formulations Easily water-dispersible pulverulent formulations of disperse dyes are prepared by spray-drying a dye solution which comprises (a) one or more disperse dyes, (b) one or more water-soluble anionic dispersants, (c) from 0 to 20% by weight, based on (a+b+c+d), of othe... | 07/22/1980 |
| 4151170 | Process for the manufacture of indigoid dyes A process for the manufacture of indigoid dyes, wherein a functional derivative of the anthranilic acid of the general formula I ##STR1## in which A completes a mono- or polynuclear, substituted or unsubstituted aromatic ring, X represents a hydrogen... | 04/24/1979 |
| 4145434 | Tetracyclic derivatives and pharmaceutical compositions of matter The invention relates to novel dibenzo[1,2;5,6] cyclophepta pyridine or -pyrrole derivatives, dibenzo[2,3;6,7] oxepino pyridine or pyrrole derivatives, dibenzo[2,3;6,7] thiepino pyridine or pyrrole derivatives and dibenzo[b,f] pyrido or pyrrole azepine de... | 03/20/1979 |
