Class 528/356 - Material contains a phosphorus or sulfur atom

Subclass of Class 528 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein the specified material contains a
No. of patents: 32
Last issue date: 06/30/2009

Number	Title	Issue Date
7553924	Catalytic carbon-carbon bond formation The present invention mainly relates to a carbon-carbon bond formation catalyzed by a complex comprising a novel and stable ligand and a metal center. The ligand uses a ring, particularly a phenyl group, or a hydrocarbon group to link an amino group and PR1	06/30/2009
7318842	Agents and methods for treating biodegradable synthetic yarns An agent and method for treating biodegradable synthetic yarns fabricated from a polymer comprising lactic acid as a main component, which enable improved lubricity, cohesion, etc. to be so imparted to the biodegradable synthetic yarns that the yarns can be prevente...	01/15/2008
7151155	Copolymers of cyclic esters and cyclic formals Disclosed are copolymers of cyclic esters, e.g., caprolactone, and cyclic formals of substituted or unsubstituted diols, e.g., 1,3-dioxepane. The copolymers can provide a low melting temperature rendering them liquids at room temperature. Elastomeric polyurethanes p...	12/19/2006
7101959	Polymerization catalysts A subject of the present invention is new compounds having a lanthanide and having a tridentate ligand, a process for their preparation and their use in particular as polymerization catalysts. ...	09/05/2006
6914101	Polyester block copolymer composition The present invention relates to a polyester block copolymer composition which is obtained by reacting 0.5 to 5.0 parts by weight of an epoxy compound (C) having two or more functionalities with 100 parts by weight of a polyester block copolymer (P) having an acid v...	07/05/2005
6800672	Biodegradable compositions comprising poly(cycloaliphatic phosphoester) compounds, articles, and methods for using the same Biodegradable, flowable or flexible polymer compositions are described comprising a polymer having the recurring monomeric units shown in formula I: wherein: each of R and R′ is independently straight or branche...	10/05/2004
6657036	Polycondensation resins and polyaddition resins produced by heterogeneous catalysis The invention relates to polycondensation resins which are prepared by polycondensation of compounds having a low molecular weight and separation of small molecules in the presence of at least one hetergeneous catalyst. The invention also relates to polya...	12/02/2003
6602975	Photopolymerizable biodegradable hydrogels as tissue contacting materials and controlled-release carriers Hydrogels of polymerized and crosslinked macromers comprising hydrophilic oligomers having biodegradable monomeric or oligomeric extensions, which biodegradable extensions are terminated on free ends with end cap monomers or oligomers capable of polymeriz...	08/05/2003
6403675	Biodegradable compositions comprising poly(cycloaliphatic phosphoester) compounds, articles, and methods for using the same Biodegradable, flowable or flexible polymer compositions are described comprising a polymer having the recurring monomeric units shown in formula I: ##STR1## wherein: each of R and R' is independently straight or branched alkylene, either unsubstitut...	06/11/2002
6077930	Preparation process of polymer A preparation process of a polymer comprising conducting ring-opening polymerization of a 4- to 10-membered ring-opening polymerizable cyclic monomer in the presence of a phosphazenium salt of an active hydrogen compound represented by the chemical formul...	06/20/2000
5981694	Melt-stable lactide polymer composition and process for manufacture thereof A lactide polymer composition combining compositional and purity limitations and catalyst optimization or addition of stabilizing agents resulting in a melt-stable polymer is disclosed. The melt-stable lactide polymer comprises a plurality of polylactide ...	11/09/1999
5763564	Melt-stable lactide polymer composition and process for manufacture thereof A lactide polymer composition combining compositional and purity limitations and catalyst optimization or addition of stabilizing agents resulting in a melt-stable polymer is disclosed. The melt-stable lactide polymer comprises a plurality of polylactide ...	06/09/1998
5686540	Process for the preparation of lactic acid-based polyester The present invention provides a process for the preparation of a biodegradable lactic acid-based polyester composition excellent in thermal stability, storage stability, flexibility, heat resistance, mechanical and physical properties and moldability whi...	11/11/1997
5508376	Alcohol soluble rigid-rod benzobisazole polymers Alcohol-soluble aromatic heterocyclic polymers and copolymers having repeating units of the formulae I or II: ##STR1## wherein Q is a benzobisazole of the formula: ##STR2## wherein X is --O-- or --S--; wherein x has a value of 0.0 to 1.00 and y ...	04/16/1996
5374697	Selected novel sulfonium compounds particularly suitable as initiators for the thermal cure of cationically polymerisable materials Sulfonium compounds of formula 1 or 2 ##STR1## wherein R is a mononuclear cycloalkyl radical containing 3 to 8 ring carbon atoms or a mononuclear cycloalkyl radical which contains 3 to 8 ring carbon atoms and to which at least one further ring contai...	12/20/1994
5304629	Production processes of arylene thioether oligomer and copolymer Disclosed herein are a process for the preparation of a carboxylated arylene thioether oligomer, in which an alkali metal sulfide is caused to act on a poly(arylene thioether) so as to depolymerize the poly(arylene thioether), thereby preparing an alkali ...	04/19/1994
5296567	Thermocurable compositions The present document describes the use of an inhibitor for cationic polymerization as an additive to a thermocurable composition based on at least one cationically polymerizable organic material and an initiator for cationic polymerization in the form of ...	03/22/1994
5244985	Epoxidized polyesters and method of production thereof Disclosed are an epoxidized polyester which comprises, per molecule, at least three bifunctional groups each having the general formula ##STR1## wherein R1 and R2 are the same or different and each is a hydrogen atom or an alkyl...	09/14/1993
5149767	Thermosetting mixtures utilizing araliphatic sulfonium salts Thermosetting mixtures containing (a) an epoxy resin having on average more than one 1,2-epoxide group in the molecule, (b) a di- or polyisocyanate compound and (c) a sulfonium salt of the formulae I to IV ##STR1## in which A is C1 -C12	09/22/1992
5043410	Cross-linkable polyurethane rubbers containing polyoxyperfluoroalkylene blocks Fluorinated polyurethanes containing blocks having a perfluoropolyethereal structure, with rubber-like properties, alternated with stiff structural units are taught. The stiff units are at least partially provided with a double bond of the olefinic type, ...	08/27/1991
5013814	Araliphatic sulfonium salts and their use Sulfonium salts of the formulae I to IV ##STR1## in which A is C1 -C12 alkyl, C3 -C8 cycloalkyl, C4 -C10 cycloalkylalkyl, phenyl which is unsubstituted or mono- or polysubstituted by C...	05/07/1991
5006637	Method for preparing copolyestercarbonates from cyclic oligomers Copolyestercarbonates are prepared by the reaction of at least one cyclic polycarbonate oligomer with at least one cyclic polyester oligomer in the presence of a cyclic polycarbonate polymerization catalyst at temperatures in the range of about 280°-375�...	04/09/1991
4983689	Process for making macromolecular monomers of polylactones with terminal acryloyl unsaturation and block copolymers thereof Preparation of a macromolecular monomer of a lactone having an alpha-beta monoolefinically unsaturated "head" is effected at low temperature with a strong oxonium salt, such as a trialkyloxonium (TAO) hexafluorophosphate catalyst, with essentially no form...	01/08/1991
4812488	Photocopolymerizable compositions based on hydroxyl-containing organic materials and substituted cycloaliphatic monoepoxide reactive diluents This invention is directed to photocopolymerizable compositions comprising a poly (active hydrogen) organic compound, a photoinitiator and, as a reactive diluent, a substituted cycloaliphatic monoepoxide. The photocopolymerizable compositions have low vis...	03/14/1989
4699974	Method of preparing copolyester carbonate from cyclic aromatic polycarbonate oligomer and lactone Cyclic polycarbonate oligomer compositions are polymerized with lactones in the presence of a catalyst for the polymerization of either. Usually, the lactone is first polymerized at a lower temperature, followed by the cyclic polycarbonate at a higher tem...	10/13/1987
4665134	Process for producing block copolymer A block copolymer having a narrow molecular weight distribution is produced by reacting an acid anhydride with an epoxide to yield a polyester, which is further reacted with a lactone, using a catalyst system comprising an aluminum porphyrin complex and a...	05/12/1987
4492789	Epoxy resin composition An epoxy resin composition comprising (a) an epoxy resin, (b) a lactone obtained by decarboxylation condensation reaction of a saturated alicyclic 1,2-dicarboxylic acid anhydride, and if necessary (c) a curing agent for the epoxy resin and (d) a curing ac...	01/08/1985
4382130	Moisture curable compositions and aryloxyphosphonium salts Certain aryloxyphosphonium salts have been found to be effective as curing agents for various cationically polymerizable organic materials, such as epoxy resins, when incorporated into such materials. The materials are found to be moisture curable coating...	05/03/1983
4273920	Polymerization process and product Lactic-glycolic copolymers having molecular weights of about 6000 to about 35000 are prepared by condensation of lactic acid and glycolic acid in the presence of readily removable strong acid ion-exchange resins....	06/16/1981
4173551	Heat curable compositions Aromatic onium salts, such as diaryliodonium salts, have been found to be effective thermal initiators for the polymerization of a variety of cationically polymerizable materials including epoxides, cyclic ethers, phenol formaldehyde resins, etc., when us...	11/06/1979
4116887	Antionic polymerization A novel process for polymerization or copolymerization of monomers is described, according to which the reaction is carried out in the presence of an anionic initiator and a macroheterocyclic complexing agent of formula ##STR1## in which: EACH R...	09/26/1978
4061624	Process for prepolymers and products Process for preparing linear terminally differentially electrophilically reactive prepolymers by reacting cyclic ethers or lactones comprising a major proportion of tetramethylene oxide with an initiator represented by the asymmetrical structure wherein Q...	12/06/1977

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Class 528/356 - Material contains a phosphorus or sulfur atom