Abstract: The present invention provides both crosslinked polymer compositions capable of forming hydrogels upon exposure to an aqueous environment and thiosulfonate hydrogel-forming components. The thiosulfonate hydrogel-forming components of the invention are preferably multi-arm thiosulfonate polymer derivatives that form a crosslinked polymer composition when exposed to a base without requiring the presence of a second cross-linking reagent, redox catalyst, or radiation. Methods for forming hydrogel compositions, as well as methods for using the hydrogels, are also provided.

Abstract: The present invention provides both crosslinked polymer compositions capable of forming hydrogels upon exposure to an aqueous environment and thiosulfonate hydrogel-forming components. The thiosulfonate hydrogel-forming components of the invention are preferably multi-arm thiosulfonate polymer derivatives that form a crosslinked polymer composition when exposed to a base without requiring the presence of a second cross-linking reagent, redox catalyst, or radiation. Methods for forming hydrogel compositions, as well as methods for using the hydrogels, are also provided.

Abstract: The present invention provides both crosslinked polymer compositions capable of forming hydrogels upon exposure to an aqueous environment and thiosulfonate hydrogel-forming components. The thiosulfonate hydrogel-forming components of the invention are preferably multi-arm thiosulfonate polymer derivatives that form a crosslinked polymer composition when exposed to a base without requiring the presence of a second cross-linking reagent, redox catalyst, or radiation. Methods for forming hydrogel compositions, as well as methods for using the hydrogels, are also provided.

Abstract: A composition and process are described that provide for selective capture of targeted materials, including metals and chemical targets. The composition includes an activated carbon scaffold that is chemically modified to include ligands with a high affinity for selective capture of metals and chemical targets. The invention finds use, e.g., as heavy metal sorbents, as catalyst supports, in analytical applications such as ion chromatography, and in devices such as analytical instruments and chemical sensors.

Abstract: The invention relates to a novel process for preparing salts of S-alkyl esters of thiosulphuric acid by reacting organic dihalides with thiosulphates in water.

Abstract: A blocked mercaptosilane of the structure: G-C(?O)—S—CH2CH2CH2SiX3 is disclosed wherein each X is an independently selected RO— group or R— group wherein each R is independently selected from the group consisting of hydrogen, alkyl that may or may not contain unsaturation, alkenyl groups, aryl groups, and aralkyl groups, such moieties other than hydrogen having from 1 to 18 carbon atoms, at least one X is RO—, and G is a monovalent alkyl group.

Abstract: Disclosed herein is a blocked mercaptosilane selected from the group consisting of [[(ROC(?O))p—(G)j]k—Y—S]r—G—(SiX3)s; and??(1) [(X3Si)q—G]a—[Y—[S—G—SiX3]b]c??(2) wherein Y is a polyvalent species (Q)zA(?E) selected from the group consisting of —C(?NR)—; —SC(?NR)—; —SC(?O)—; —OC(?O)—; —S(?O)—; —S(?O)2—; —OS(?O)2—; (—NR)S(?O)2—; —SS(?O)—; —OS(?O)—; (—NR)S(?O)—; —SS(?O)2—; (—S)2P(?O)—; —(—S)P(?O)—; —P(?O)(—)2; (—S)2P(?S)—; —(—S)P(?S)—; —P(?S)(—)2; (—NR)2P(?O)—; (—NR)(—S)P(?O)—; (—O)(—NR)P(?O)—; (—O)(—S)P(?O)—; (—O)2P(?O)—; —(—O)P(?O)—; —(—NR)P(?O)—; (—NR)2P(?S)—; (—NR)(—S)P(?S)—; (—O)(—NR)P(?S)—; (—O)(—S)P(?S)—; (—O)2P(?S)—; —(—O)P(?S)—; and —(—NR)P(?S)—; wherein the atom A attached to unsaturated heteroatom E is attached to the sulfur which in turn is linked via a group G to the silicon atom; each R is chosen independently from hydrogen, straight, cyclic, or branched alkyl that may or may not contain unsaturation, alkenyl groups, aryl groups, and aralkyl groups, with each R containing from 1 to 18 c

Abstract: A blocked mercaptosilane of the structure: G—C(═O)—S—CH2CH2CH2SiX3 is disclosed wherein each X is an independently selected RO— group wherein each R is independently selected from the group consisting of hydrogen, alkyl that may or may not contain unsaturation, alkenyl groups, aryl groups, and aralkyl groups, such moieties other than hydrogen having from 1 to 18 carbon atoms, and G is a monovalent alkyl of from 2 to 12 carbon atoms.

Abstract: The present invention relates to methods of making dihydropyrone HIV inhibitors.

Abstract: A compound of the formula: ##STR1## wherein: A is hydrogen, a substituted or unsubstituted C.sub.1 to C.sub.4 alkyl, a substituted or unsubstituted C.sub.1 to C.sub.4 alkoxy or a substituted or unsubstituted phenyl;W is a substituted or unsubstituted phenylene or a substituted or unsubstituted naphthylene;Y is--CH.sub.2 --CH.sub.2 --Z wherein Z is selected from --OSO.sub.3 H, --SSO.sub.3 H, --OPO.sub.3 H, --OCOCH.sub.2 --Cll.sub.3, Cl, Br or F; andm is 1 or 2, e is 0 or 1,with the sum of e+m=2.

Abstract: A monoazo compound of the following formula, ##STR1## wherein D is phenylene or naphthylene; X is halogeno, pyridinio or ##STR2## B is --OR.sub.3, --SR.sub.4, ##STR3## in which R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are each hydrogen, alkyl, phenyl, naphthyl or benzyl, r is 0 or 1, and E is O, SO, SO.sub.2, CH.sub.2 or NR.sub.8, in which R.sub.8 is hydrogen or C.sub.1 -C.sub.4 alkyl; R, R.sub.1, R.sub.2 and R.sub.7 are each hydrogen or alkyl; A.sub.1, A.sub.2 and A.sub.3 are each phenylene, naphthylene or alkylene; Z.sub.1, Z.sub.2 and Z.sub.3 are each --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Y, in which Y is a splittable group; and p is 0 or 1; which compound is useful for dyeing or printing fiber materials to obtain a product dyed or printed in a color superior in various fastness properties with superior build-up property.

Abstract: There are described formazan dyes of the formula ##STR1## where n is 1 or 2,Kat.cndot. is the equivalent of a cation,Me is copper or nickel,X is a radical of the formula CO-O or SO.sub.2 -O,Y is vinyl or a radical of the formula C.sub.2 H.sub.4 -Q, where Q is a group which is detachable under alkaline reaction conditions,the ring A may be substituted and benzofused,the ring B is substituted and may be benzofused, andthe ring C may be substituted,the use thereof for dyeing or printing hydroxyl- or nitrogen-containing organic substrates, and novel hydrazones.

Abstract: A compound of the formula ##STR1## in which R.sup.1 and R.sup.2 taken together represent a polymethylene chain having 3 or 4 carbon atoms, or a polymethylene chain having 3 or 4 carbon atoms substituted by at least one lower alkyl radical having 1 to 4 carbon atoms, R.sup.3 is hydrogen, hydrocarbyl or substituted hydrocarbyl and X represents cyano, a group --SO.sub.3 M or a group --S--R.sup.4 where M is hydrogen or an alkali metal such as sodium and R.sup.4 is hydrocarbyl or substituted hydrocarbyl. Typically R.sup.1 and R.sup.2 complete a cyclopentene ring, R.sup.3 is alkyl such as methyl and X is a group --SO.sub.3 Na. The compounds have microbiological activity.

Abstract: Precursors for the preparation of fiber-reactive triphendioxazine dyestuffs correspond to the general formulas: ##STR1## in which Y' is a vinyl, a beta-hydroxyethyl or an ethyl group which contains in the beta-position a substituent which can be eliminated by an alkali;T is an optionally substituted alkyl (e.g.

Abstract: Compounds of the general formula (1) ##STR1## in which the Zs, preferably identical to each other, each denote a hydroxy group or a sulfato, thiosulfato or phosphato group. They can be prepared by first converting biphenyl by sulfochlorination into biphenyl-4,4'-disulfochloride, then reducing the latter with an alkali metal or alkaline earth metal sulfite or hydrogensulfite to sulfinic acid, and in turn reacting the latter with ethylene oxide to give 4,4'-bis-(.beta.-hydroxyethylsulfonyl)-biphenyl, which can be esterified in conventional manner. They are used for modifying and improving the physical and coloristic properties of materials made of natural and/or synthetic polyamide fibers and/or polyurethane fibers and as auxiliaries in dyeing processes for such fiber materials.

Abstract: This invention relates to novel organic trithio oxides of the formula:R.sup.1 --X --R--X.sup.1 --R.sup.1wherein R is selected from --CH.sub.2 CH.dbd.CH--, ##STR1## and (CH.sub.2).sub.3 ; X is selected from ##STR2## X.sup.1 is selected from --S--S, ##STR3## and, each R.sup.1 is independently selected from carboxyalkyl, alkoxy, alkylthio, amino, alkylamino and acyl substituted and unsubstituted lower alkyl, lower alkenyl, lower alkynyl, phenyl and lower alkylphenyl; provided when R is --CH.sub.2 CH.dbd.CH--, X is ##STR4## and X.sup.1 is --S--S--, then R.sup.1 is not in both instances --CH.sub.2 CH.dbd.CH.sub.2.This invention also relates to a method of preparing the above-identified compounds by heating and further oxidizing various oxides of organic disulfides and to antithrombotic uses of the compounds.

Abstract: Additives for rubber compositions, giving vulcanisates having improved retention of optimum physical properties, are compounds containing two or more groups of the formula --S--SO.sub.2 R linked by an organic bridging group, or polymers containing two or more groups of the formula --S--SO.sub.2 R attached to an organic polymer chain, where R represents (a) a radical OM where M is a monovalent metal, the equivalent of a multivalent metal, a monovalent in derived by the addition of a proton to a nitrogenous base, or the equivalent of a multivalent ion derived by the addition of two or more protons to a nitrogenous base, or (b) an organic radical selected from aliphatic, cycloaliphatic, aromatic and heterocyclic radicals, and radicals which are combinations of any two or more such radicals.