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| Number | Title | Issue Date |
| 7598401 | Multifunctional cationic photoinitiators, their preparation and use Compounds of formula (I): [where: R1 is a direct bond, oxygen, a group >CH2, sulphur, a group >C═O, a group —(CH2)2— or a group —N—Ra, where Ra ... | 10/06/2009 |
| 7405308 | Thianthrenium salt cationic photoinitiators Triarylsulfonium salts of formula I or II are useful as initiators for cationic photopolymerizations: wherein Ar1 and Ar2 are independently polycyclic aryl, substituted aryl, heteroaryl, substituted he... | 07/29/2008 |
| 7381842 | Oxime ester photoinitiators Compounds of the formulae I, II, III, IV and V wherein R1 i.a. is C4-C9cycloalkanoyl, C1-C12alkanoyl, C4-C6alke... | 06/03/2008 |
| 7301705 | Alicyclic compound for optical material The alicyclic compound of the present invention has a five- or more membered ring structure having an epithioethylene linkage and/or an epidithioethylene linkage, and has tow or more sulfur atoms in its molecule. Optical materials produced by curing the alicyclic co... | 11/27/2007 |
| 7138075 | Molecular actuators, and methods of use thereof The synthesis of thiophene based conducting polymer molecular actuators, exhibiting electrically triggered molecular conformational transitions is reported. Actuation is believed to be the result of conformational rearrangement of the polymer backbone at the molecul... | 11/21/2006 |
| 7101998 | Fused ring compounds, and their use as cationic photoinitiators Compounds of formula (I): [in which: R1 represents a direct bond, an oxygen atom, a group >CH2, a sulphur atom, a group >C═O, a group —(CH2)2— or a group of formu... | 09/05/2006 |
| 6949678 | Oxime ester photoinitiators Compounds of the formulae I, II, III, IV and V wherein R1 i.a. is C4-C9cycloalkanoyl, C1-C12alkanoyl, C4-C6alkenoyl, or benzoyl; R2 | 09/27/2005 |
| 6528601 | Polymerizable sulfur-containing (meth) acrylate, polymerizable composition and optical lens There is disclosed a polymerizable sulfur-containing (meth)acrylate, it has a high refractive index, a great Abbe's number and excellent light resistance and is suitable for the production of a transparent resin which rarely smells at the time of molding ... | 03/04/2003 |
| 6521769 | Chiral phosphines, transition metal complexes thereof and uses thereof in asymmetric reactions Chiral ligands and transition metal complexes based on such chiral ligands useful in asymmetric catalysis are disclosed. The chiral ligands include chiral C1-C6 TunaPhos ligands. The ruthenium TunaPhos complex reduces ketones to the corresponding alcohols... | 02/18/2003 |
| 6384045 | Tricyclic and tetracyclic pyrones This invention provides cancer-active tricyclic and tetracyclic oxypyrones and a method of synthesizing these compounds. Preferred compounds have aryl groups at the 3-position of the oxypyrone ring. The tricyclic oxypyrone synthetic method is a simple con... | 05/07/2002 |
| 6313075 | Alkylated thianthrene lubricants Alkylated thianthrenes are high temperature stable lubricant fluids having excellent thermal stability, antiwear and load-carrying properties and excellent additive solubility as well as multifunctional additives for fuels.... | 11/06/2001 |
| 6294677 | Thiopyran derivatives An intermediate represented by the following formula (XVIII), ##STR1## wherein A is a sulfur atom or the group --CH.dbd.CH--; L is an alkylene group which may be substituted, an alkenylene group which may be substituted, or an alkynylene group which may b... | 09/25/2001 |
| 6127415 | Apoptosis inducing adamantyl derivatives and their usage as anti-cancer agents The present invention relates to specific adamantyl or adamantyl group derivative containing retinoid compounds induce apoptosis of cancer cells. These adamantyl retinoid derivatives are useful for the treatment of many cancers and solid tumors, especiall... | 10/03/2000 |
| 6117869 | Compounds for and methods of inhibiting matrix metalloproteinases The present invention relates to compounds of Formula I that inhibit matrix metalloproteinases and to a method of inhibiting matrix metalloproteinases using the compounds ##STR1## More particularly, the present invention relates to a method of treati... | 09/12/2000 |
| 6031014 | Initiator compositions and methods for their synthesis and use Cationic polymerization initiators of formula ##STR1## are disclosed. The acyl sulfonium salts of the present invention differ from known acyl sulfonium initiators in that the substituents R2 and R3 on the sulfur are larger and ... | 02/29/2000 |
| 5958970 | Tricyclic and tetracyclic pyrones This invention provides cancer-active tricyclic and tetracyclic oxypyrones and a method of synthesizing these compounds. Preferred compounds have aryl groups at the 3-position of the oxypyrone ring. The tricyclic oxyprone synthetic method is a simple cond... | 09/28/1999 |
| 5885936 | Heterotricyclic herbicides Compounds of Formula I, and their N-oxides and agriculturally suitable salts, are disclosed which are useful for controlling undesired vegetation ##STR1## wherein Q, X, A, B, R1 through R3, m, p, q, r, and s are as defined in th... | 03/23/1999 |
| 5591848 | Spiroconjugated charge-transfer dyes for optical applications New intramolecular charge-transfer organic dyes are described. The design of these molecules is based on the phenomenon of spiroconjugation, and it provides a modular approach to the preparation of unique materials with interesting optical properties. In ... | 01/07/1997 |
| 5036067 | Dibenzoheterocyclic hydroxamic acids and hydroxy ureas as inhibitors of 5-lipoxygenase Compounds having the formula I: ##STR1## are inhibitors of the 5-lipoxygenase enzyme. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating diarrhea, hypertension, ... | 07/30/1991 |
| 5011967 | Method for preparing aromatic bischloroformate compositions Bischloroformate oligomer compositions are prepared by passing phosgene into a heterogeneous aqueous-organic mixture containing at least one dihydroxyaromatic compound, with simultaneous introduction of a base at a rate to maintain a specific pH range and... | 04/30/1991 |
| 4976771 | Thianthrenes and phenoxathiins useful as fungicides Compounds of the formula: ##STR1## and stereoisomers thereof, wherein X and Y, which may be the same or different, are oxygen or sulphur; A and B, which may be the same or different, are hydrogen, halogen, alkyl, alkoxy, optionally substituted p... | 12/11/1990 |
| 4975451 | Insecticidal cyclopropyl di(aryl) 2-butenes Compounds of the formula ##STR1## in which Ar is substituted or unsubstituted phenyl, naphthyl, or thienyl; and Ar1 is 3-phenoxyphenyl, 4-fluoro-3-phenoxyphenyl, 2-methyl[1-1'-biphenyl]-3-yl, or 6-phenoxy-2-pyridyl, exhibit pyrethroid... | 12/04/1990 |
| 4960886 | Charge transfer complex formed between benzoquinone derivative and electron donor and process for producing the same A charge transfer complex formed between a benzoquinone derivative represented by formula ##STR1## wherein at least one of the rings A and B represents a heterocyclic ring as defined in the specification, and an electron donor, and a salt of an ... | 10/02/1990 |
| 4910350 | Fluorine-substituted cyclohexylcyclohexene derivative A compound represented by formula (I): ##STR1## wherein R represents a straight chain alkyl group having from 1 to 9 carbon atoms; ##STR2## represents ##STR3## represents a hydrogen atom or a fluorine atom; and ##STR4## has a... | 03/20/1990 |
| 4814466 | Method for making thianthrene dianhydride and polyimides obtained therefrom A method is provided for making 9,10-dithiaanthracene-2,3,6,7-tetracarboxylic acid dianhydride. Polyimides having improved oxidative stability also are provided which can be made intercondensing organic diamine and the aforementioned dianhydride or a ... | 03/21/1989 |
| 4692464 | Novel prostacyclin derivatives and a process for the preparation thereof Compounds of the formula ##STR1## wherein R1 is (a) hydrogen, (b) C1-10 alkyl, (c) C1-10 alkyl substituted by halogen; C1-4 alkoxy; C6-10 aryl; C6-10 aryl substituted by 1-3 halogen at... | 09/08/1987 |
| 4585793 | Thioester inhibitors of serine proteases Certain novel heterocyclic compounds, aromatic thioesters, their preparation, and their use in inhibiting serine proteases with chymotrypsin-like and elastase-like specificity and in the treatment of diseases such as emphysema which involve tissue proteol... | 04/29/1986 |
| 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 |
| 4161478 | Photoinitiators Onium salts of Group VIa elements having an MF6 -anion, where M is selected from P, As and Sb, have been found to be photo active under ultraviolet light. These onium salts can be employed as cationic photoinitiators when used with a variety of... | 07/17/1979 |
| 4139516 | Process for the preparation of thianthrene compounds A process for the preparation of a thianthrene compound which comprises A. adding sulfur monochloride to an excess of a selected benzene compound in the presence of aluminum chloride and reacting to form a thianthrene compound: aluminum chloride complex in the... | 02/13/1979 |
| 4105795 | Antispasmodic substituted sulphoximides This invention provides compounds of the general formula I ##STR1## wherein R1 and R2 independently represent groups selected from the group consisting of straight chain alkyl groups; branched chain alkyl groups; aryl groups; op... | 08/08/1978 |
| 4091031 | Process for the manufacture of substituted thianthrene based products Thianthrene compounds are prepared by adding sulfur monochloride to an excess of a benzene compound in the presence of aluminum chloride, and reacting to form a thianthrene compound as an insoluble aluminum chloride complex; slurrying the complex in an in... | 05/23/1978 |
| 4076723 | Certain dibenzothiacyclic-S-oximides The present invention is concerned with novel tricyclic sulphoximides and with the preparation thereof. This family of compounds has been found to possess antihistominic, antitussive, antiinflammatory, sedative, and diuretic properties.... | 02/28/1978 |
| 4033981 | Thianthrene and phenoxathiine s-oximides The present invention is concerned with novel tricyclic sulphoximides and with the preparation thereof. This family of compounds has been found to possess antihistominic, antitussive, antiinflammatory, sedative, and diuretic properties.... | 07/05/1977 |
| 4025635 | Cyclic sulphur compounds Certain tricyclic sulphone compounds each of which is substituted in the 1-,2-,3- or 4-position by a carboxyl or (5-tetrazolyl) group and each of which is optionally substituted in the 5-,6-,7- or 8-position by a second carboxyl or (5-tetrazolyl) group or... | 05/24/1977 |
| 3997560 | Process for the manufacture of thianthrene Thianthrene is prepared by adding sulfur monochloride to an excess of benzene in the presence of aluminum chloride, and reacting at a temperature of 60° to 80° C to form thianthrene as an insoluble thianthrene-aluminum chloride complex; separating the c... | 12/14/1976 |
| 3992376 | Phenothiazine sulphoximides The present invention is concerned with novel tricyclic sulphoximides and with the preparation thereof. This family of compounds has been found to possess antihistaminic, antitussive, antiinflammatory, sedative, and diuretic properties.... | 11/16/1976 |
| 3989715 | Process for manufacturing chlorothianthrenes Thianthrene in monochlorotoluene, is reacted with excess chlorine in the presence of a Lewis acid catalyst, to yield a mixture of chlorothianthrenes, the major component of which is 2,3,7,8-tetrachlorothianthrene. Recrystallization of the chlorothianthren... | 11/02/1976 |
| 3981887 | Sulfoxides and sulfones Sulfoxides and sulfones of the formula ##SPC1## Wherein R1 is COOH, COOR4, CH2 OH, or CH2 OR5 ; R2 is CH3 or C2 H5 ; R3 is H, F, Cl, or Br; R | 09/21/1976 |
| 3978052 | Phenothiazine-S-oximide compounds The present invention is concerned with tricyclic sulphoximides and with the preparation thereof. This family of compounds has been found to possess antihistominic, antitussive, antiinflammatory, sedative, and diuretic properties.... | 08/31/1976 |
