William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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 |
| RE39530 | 3-amino-3-arylpropan-1-ol-compounds, their preparation and use 3-amino-3-arylpropan-1-ol compounds corresponding to the formula I in which R1 to R5, A and X have the meanings according to claim 1, and their preparation and use as medicaments. ... | 03/27/2007 |
| 7189988 | Molecular electronics arrangement and method for producing a molecular electronics arrangement The invention relates to a molecular electronics arrangement comprising a substrate, at least one first strip conductor having a surface and being arranged in or on the substrate, a spacer which is arranged on the surface of the at least one first strip conductor an... | 03/13/2007 |
| 7153551 | Single-crystalline film and process for production thereof An organic single-crystalline film useful as a functional film in various devices is produced by selecting a liquid crystal material having a good molecular alignment regularity, disposing the liquid crystal material between a pair of boundaries exerting a thickness... | 12/26/2006 |
| 6949585 | Cyclooctanone derivatives and cyclodecanone derivative, and use thereof The present invention provides a compound which has cytokine production inhibitory activity and is useful for the treatment of diseases which is associated with cytokine. The compound is represented by the following general formula (I) [wherein A represents a cyclic... | 09/27/2005 |
| 6828460 | Resorcinol derivatives The present invention relates to the use of certain resorcinol derivatives as skin lightening agents. ... | 12/07/2004 |
| 6794533 | Single-crystalline film and process for production thereof An organic single-crystalline film useful as a functional film in various devices is produced by selecting a liquid crystal material having a good molecular alignment regularity, disposing the liquid crystal material between a pair of boundaries exerting a thickness... | 09/21/2004 |
| 6689922 | Vitamin D analogues The invention concerns novel bi-aromatic compounds having the formula: ##STR1## which are analogs of vitamin D, the process of preparing them, as well as their use in pharmaceutical compositions in human or veterinary medicine, particularly in dermatology... | 02/10/2004 |
| 6423865 | Compounds and their application as well as a method of producing liquid crystalline polymers therefrom The invention relates to compounds with the general formula Y1 --A1 --M1 --A2 --Y2 wherein Y1 and Y2 are different from each other and Y1 is an acrylate or methacrylate res... | 07/23/2002 |
| 6355666 | Protected forms of pharmacologically active agents and uses therefor In accordance with the present invention, there are provided normal modified forms of nonsteroidal anti-inflammatory drugs. Modified NSAIDs according to the invention provide a new class of anti-inflammatory agent which provide the therapeutic benefits of... | 03/12/2002 |
| 6344153 | Helical discotic switch The present invention provides liquid crystal having a spiral coil structure and a dipole moment along its axis and a helical discotic switch using the same, wherein the helicene compound has the structure: ##STR1## wherein X is O, or S and Y is --O--C(.d... | 02/05/2002 |
| 6288278 | 3-amino-3-arylpropan-1-ol-compounds, their preparation and use 3-amino-3-arylpropan-1-ol compounds corresponding to the formula I ##STR1## in which R1 to R5, A and X have the meanings according to claim 1, and their preparation and use as medicaments.... | 09/11/2001 |
| 6201020 | Ortho-diphenol compounds, methods and pharmaceutical compositions for inhibiting parp This invention relates to compounds, pharmaceutical compositions, and methods of using compounds of the formula: ##STR1## A is O or S; R is C1 -C10 straight or branched chain alkyl, C2 -C10 straight or branched ... | 03/13/2001 |
| 6128065 | Ferrielectric liquid crystal compound A ferrielectric liquid crystal compound of the general formula (1), ##STR1## wherein R is a linear alkyl group having 6 to 12 carbon atoms, either each of X and Y is a hydrogen atom or one of X and Y is a hydrogen atom and the other is a fluorine ato... | 10/03/2000 |
| 6054457 | Benzamide derivatives and their use as vasopressin antagonists This invention relates to new benzamide derivatives having a vasopressin antagonistic activity, etc, and represented by general formula (I): ##STR1## wherein R1 is aryl optionally substituted with lower alkoxy, etc., R2 is lower... | 04/25/2000 |
| 6049000 | Compounds and their application as well as a method of producing liquid crystalline polymers therefrom The invention relates to compounds with the general formula Y1 --A1 --M1 --A2 --Y2 wherein Y1 and Y2 are different from each other and Y1 is an acrylate or methacrylate res... | 04/11/2000 |
| 6043360 | Intermediates and a process for preparing benzo[B]thiophenes The instant invention provides intermediates and processes for the preparation of compounds of formula IV ##STR1## wherein: n is 0, 1, or 2; R is hydrogen or C1 -C4 alkyl; X1 is hydrogen, cyano, 4-hydroxybenzoyl, 4-haloben... | 03/28/2000 |
| 5948922 | Compounds with substituted cyclic hydrocarbon moieties linked by secondary or tertiary oxycarbonyl containing moiety providing reworkable cured thermosets Compounds containing two cyclic hydrocarbon moieties which are substituted to provide crosslinking functionality and which are linked to each other by secondary or tertiary oxycarbonyl containing moiety are basis for compositions which are cured to provid... | 09/07/1999 |
| 5938973 | Swallow-tailed compound and ferrielectric liquid crystal composition containing the same A swallow-tailed compound of the following general formula (1), ##STR1## wherein m is an integer of 4 to 10, n is an integer of 2 to 6, p is 0 or 1 and each of X and Y is independently a hydrogen or fluorine atom; and a ferrielectric liquid crystal c... | 08/17/1999 |
| 5929117 | Immunotherapeutic agents Cyano and carboxy derivatives of substituted styrenes are inhibitors of tumor necrosis factor , nuclear factor .kappa.B, and phosphodiesterase and can be used to combat cachexia, endotoxic shock, retrovirus replication, asthma, and inflammatory con... | 07/27/1999 |
| 5883286 | Phenol compound and use thereof A phenol compound of the formula 1! ##STR1## wherein each of X's is a group of the formula 2! ##STR2## wherein R1 and R4 are the same or different and each is an alkyl having 1 to 8 carbon atoms, and R2, R | 03/16/1999 |
| 5698641 | Substrate coated with composition of non-cyclic polyanhydride and polyglycidyl oligomer A coating composition applied to a substrate wherein the composition contains a solids content of at least about 65 percent by weight and includes a polyanhydride having more than one non-cyclic anhydride moiety, a glycidyl groups-containing oligomer, a c... | 12/16/1997 |
| 5686633 | Inks, particularly for ink jet printing Inks, particularly inks for ink jet printing, contain at least one compound of the formula I ##STR1## as a stabilizer. The symbols R1, R2, R3, R4, R3 ' and R4 ' are as defined in claim... | 11/11/1997 |
| 5686398 | Additive for lubricant or fuel, lubricating oil composition or fuel composition containing it, and substituted hydroxyaromatic ester derivative There are herein disclosed an additive for a lubricant or a fuel which comprises at least one selected from the group consisting of substituted hydroxyaromatic ester derivatives represented by the general formulae (I) and (II) ##STR1## wherein R... | 11/11/1997 |
| 5656619 | Diphenylheteroalkyl derivatives, the preparation thereof and drugs and cosmetics prepared therefrom Abstract of the Disclosure: Diphenylheteroalkyl derivatives of the formula I ##STR1## where A and R1 -R6 have the meanings specified in the description, and the preparation thereof are described. The substances are suitable for ... | 08/12/1997 |
| 5654471 | Process for the preparation of 4-hydroxyphenyl benzoate derivatives 4-Hydroxyphenyl benzoate derivatives of the general formula 1: ##STR1## are prepared by cleaving 1,4-bis(benzoyl)hydroquinone derivatives of the general formula 2: ##STR2## with alkali metal alkanolates, in which in the general formulae 1 and 2 ... | 08/05/1997 |
| 5633020 | Coating composition of non-cyclic polyanhydride and co-reactant resin A coating composition with a solids content of at least about 65% by weight comprises a polyanhydride having more than one non-cyclic anhydride moiety, a co-reactant resin such as a glycidyl (meth)acrylate-containing polymer and a latent catalyst wherein ... | 05/27/1997 |
| 5633330 | Coating composition of non-cyclic polyanhydride and glycidyl oligomer A coating composition with a solids content of at least about 65% by weight comprises a polyanhydride having more than one non-cyclic anhydride moiety, a glycidyl groups-containing oligomer, a catalyst and a surfactant or flow-control agent.... | 05/27/1997 |
| 5604256 | Octahydronaphthalene oxime derivatives for cholesterol biosynthesis inhibition Compounds of formula (I): ##STR1## (in which: R is hydrogen, methyl or hydroxy; X is alkyl, alkenyl, cycloalkyl, aryl, aralkyl, or a heterocyclic group; A is a single bond, or an alkylene, alkenylene, alkynylene or alkadienylene group; Y is hydrogen,... | 02/18/1997 |
| 5602274 | Polyanhydride containing non-cyclic anhydride moieties A polyanhydride having a molecular weight of no more than about 2000 is useful in a coating composition with a coreactant resin such as an epoxy resin and comprises: (a) a polyvalent organic moiety; (b) a plurality of ester linkages bonded to the polyvalent or... | 02/11/1997 |
| 5597839 | Di(aromatic) compounds and their use in human and veterinary medicine and in cosmetics Di(aromatic) compounds corresponding to the following formula: ##STR1## in which: Ar represents either ##STR2## X represents a divalent radical, Z represents O, S or a divalent radical, and R1, R2, R3, R4 a... | 01/28/1997 |
| 5597943 | Phospholipase A2 inhibitor The present invention relates to the new thielocin derivatives, which exhibit phospholipase A2 inhibitory activity of the formula: ##STR1## wherein R1, R2, R3, R4, R5, R6, R... | 01/28/1997 |
| 5472970 | Allylaminoesters and their application in therapeutics Allylaminoesters of the formula (I): ##STR1## in which: R1 is H or low-molecular-weight alkyl, R2 is low-molecular-weight alkyl, cycloalkyl, or low-molecular-weight phenylcycloalkyl, pyridyl or phenyl, low-molecular-weight phenylalky... | 12/05/1995 |
| 5447659 | Optically active benzene derivatives, process for producing the same and liquid-crystalline substances containing said derivatives as active ingredient and optical switching elements Disclosed are novel active benzene derivatives represented by the general formula (I): ##STR1## (wherein X represents --CCO--, --OCO--, --CH2 C-- or --OCH2 --; A represents a hydrogen atom, a halogen atom or an alkyl or alkoxyl ... | 09/05/1995 |
| 5433887 | Liquid crystal compounds The invention discloses optically active liquid crystal compounds represented by the formulas [I], [II] and [III]: ##STR1## wherein R1 and R2 each represents an alkyl group of 4-18 carbon atoms, X represents O, COO or a single b... | 07/18/1995 |
| 5412079 | Liquid crystal monomer compound and polymer obtained therefrom Disclosed is a liquid crystal monomer compound represented by formula (1): ##STR1## wherein n is an integer of from 2 to 18, X is direct bond, --(C.dbd.O)--O--, --(C.dbd.O)--NH-- or --N.dbd.N--, R1 is hydrogen or a lower alkyl group, and R... | 05/02/1995 |
| 5395853 | Anti-atherosclerotic diaryl compounds The present invention is concerned with compounds of formula (I) ##STR1## wherein m is 0 or 1; W is hydrogen, a C1-16 straight, branched, or cyclic alkyl group, or a C2-16 straight, branched, or cyclic alkenyl or alkynyl group, or Ph... | 03/07/1995 |
| 5380915 | Liquid-crystalline copolymer, process for the preparation of the same, diene compound used for the preparation of the same and process for the preparation of the diene compound A liquid-crystalline copolymer comprising the repeating units represented by the following general formulas ##STR1## wherein each of r and p is an integer of 2 to 5, q is an integer of 0 to 3, m is an integer of 1 to 20, and R1 is ##S... | 01/10/1995 |
| 5374376 | Optically active aromatic compounds, preparation process therefor, liquid crystal materials and a light switching element Disclosed are herein optically active aromatic compounds represented by the formula (I): ##STR1## wherein X represents --COO-- or --OCO--; Y represents --COO--, --OCO-- or --O--; R2 represents an alkyl or alkoxyalkyl group having 1 to 20 ... | 12/20/1994 |
| 5364560 | Liquid crystal compound and liquid crystal display device An antiferroelectric liquid crystal compound which is a compound represented by ##STR1## wherein R denotes a linear aliphatic alkyl group having 6 to 14 carbon atoms; A denotes a single bond or an oxygen atom; X and Y independently denote a hydr... | 11/15/1994 |
| 5338484 | Optically active benzene derivatives, process for producing the same and liquid-crystalline substances containing said derivatives as active ingredient and optical switching elements Disclosed are novel active benzene derivatives represented by the general formula (I): ##STR1## (wherein X represents --COO--, --OCO--, --CH2 O-- or --OCH2 --; A represents a hydrogen atom, a halogen atom or an alkyl or alkoxyl ... | 08/16/1994 |