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| Number | Title | Issue Date |
| 7411009 | Cure accelerators for anaerobic curable compositions The present invention relates to new cure accelerators for anaerobic curable compositions. These anaerobic cure accelerators are generally sulfonimide derivatives and sulfonamide derivatives. ... | 08/12/2008 |
| 7411025 | Cure accelerators for anaerobic curable compositions The present invention relates to phenylgycines and derivatives thereof, 1,4-aminobenzoyl compounds, and phenyl pyrazolinones as cure accelerators for anaerobically curable compositions. ... | 08/12/2008 |
| 7371783 | Alkali-soluble maleimide copolymer and liquid crystal display comprising the same Provided is an alkali-soluble maleimide-based copolymer which comprises, as essential constituents, 5 to 50% by mass of a maleimide monomer unit which is at least one unit selected from the group consisting of a N-cyclohexylmaleimide monomer unit, a N-benzylmaleimid... | 05/13/2008 |
| 7353827 | Mask, mask shell and seal with improved mounting, mask seal, method of mask manufacture and mask with reduced exhalation noise Mask seal having an embedded mounting member for engaging a mounting member on a mask shell to mount the seal and shell together. Headstrap retention bracket having an indentation for wedgedly engaging a mask shell cylinder to removably mount headstraps to the shell... | 04/08/2008 |
| 7303852 | Photoacid generating compounds, chemically amplified positive resist materials, and pattern forming method The invention provides a high-resolution resist material comprising an acid generator that has high sensitivity and high resolution with respect to high-energy rays of 300 nm or less, has small line-edge roughness, and is superior in heat stability and in shelf stab... | 12/04/2007 |
| 7271227 | Adhesive compositions free of metallic catalyst The present invention generally relates to curable compositions free of metallic catalysts. The inventive compositions are capable of curing when applied to a metal substrate. The inventive compositions provide improved thermal performance and enhanced cure strength... | 09/18/2007 |
| 7071269 | Acrylic PSAs with narrow molecular weight distribution A process for preparing acrylic pressure sensitive adhesives by means of radical polymerization of a monomer mixture to give a polyacrylate, wherein said polymerization is carried out with an initiator system comprising at least one triazolinyl compound of the gener... | 07/04/2006 |
| 7012119 | Cleaving and replacing thio control agent moieties from polymers made by living-type free radical polymerization A method of free radical polymerization and for cleaving a thio group from the resulting polymer is provided. The method comprises forming a mixture of one or more monomers, at least one free radical source and a control agent, wherein the control agent comprises a ... | 03/14/2006 |
| 6995227 | Activator compositions for cyanoacrylate adhesives An activator composition for the accelerated hardening of cyanoacrylate adhesives, wherein the activator comprises a member selected from the group consisting of: aromatic heterocyclic compounds having at least one N hetero atom in the ring(s) such as pyridines, qui... | 02/07/2006 |
| 6919409 | Removal of the thiocarbonylthio or thiophosphorylthio end group of polymers and further functionalization thereof A method of free radical polymerization and for cleaving a thio group from the resulting polymer is provided. The method comprises forming a mixture of one or more monomers, at least one free radical source and a chain transfer agent, wherein the chain transfer agen... | 07/19/2005 |
| 6809165 | Method for producing polymers A process for the preparation of polymers is described, wherein at least one first ethylenically unsaturated monomer is subjected to a free radical polymerization in the presence of stable free radicals or sources of stable free radicals and of a compound having at ... | 10/26/2004 |
| 6686424 | Preparation of functionalized alkoxyamine initiator and its use A one-pot process for the preparation of functional alkoxyamines of the general formula (I), ##STR1## is disclosed. The process entails (1) reacting an oxidizing agent with a sterically hindered secondary amine to produce an aqueous phase and a nitro... | 02/03/2004 |
| 6639033 | N-oxyl radicals The present invention provides a process for the free radical polymerization of one or more ethylenically unsaturated monomers, said process comprising polymerizing one or more ethylenically unsaturated monomers in the presence of one or more N-oxyl radic... | 10/28/2003 |
| 6632895 | Functionalized alkoxyamine initiators The invention relates to a new process for the preparation of functionalized alkoxyamine initiators, new alkoxyamine initiators based on (meth)acrylate which are prepared by this process, and their use for the preparation of polymers.... | 10/14/2003 |
| 6602970 | 2-cyanoacrylate composition A 2-cyanoacrylate composition comprising a cyclic phenol sulfide derivative. The composition has a high curing rate and is excellent in moist-heat resistance, surface curability and clearance curability.... | 08/05/2003 |
| 6583289 | Curative for anaerobic adhesive compositions The present invention provides a new class of materials effective as curatives for anaerobic adhesive compositions. The addition of these materials into anaerobic adhesives as a replacement for conventional curatives, such as APH, surprisingly provides at... | 06/24/2003 |
| 6579949 | Preparation of low hysteresis rubber by reacting a lithium polymer with a sulfur containing reagent A vulcanized elastomeric composition of matter comprises the reaction product of a sulfur-containing reagent with an anionic living polymer, the reagent being selected from the group consisting of R3 --Si--S--R'--X, where R can all be the same ... | 06/17/2003 |
| 6569969 | Control agents for living-type free radical polymerization, methods of polymerizing and polymers with same Control agents that have a nitrogen--nitrogen bond covalently bonded to a thiocarbonyl moiety are provided for living-type free radical polymerization of a wide variety of monomers. These control agents provide superior properties for control of the polym... | 05/27/2003 |
| 6380315 | Process for preparing polymers in the presence of triazolyl radicals A process for preparing polymers which comprises conducting polymerization in the presence of free radicals of the formula I ##STR1## where Q is NR2 or S and T is CR3 R4 or S and R1, R2, R3... | 04/30/2002 |
| 6380335 | Control agents for living-type free radical polymerization, methods of polymerizing and polymers with same Control agents that have a nitrogen--nitrogen bond covalently bonded to a thiocarbonyl moiety are provided for living-type free radical polymerization of a wide variety of monomers. These control agents provide superior properties for control of the polym... | 04/30/2002 |
| 6166155 | Process for preparing polymers of vinyl monomers with narrow molecular weight distribution by controlled free-radical polymerization Processes for preparing polymers of vinylic monomers where polymerization is conducted in the presence of free-radical initiators and electron donors.... | 12/26/2000 |
| 6162881 | Initiators for cationic polymerization New initiators which are suitable for cationic polymerization have the following structure: ##STR1## such that following apply: R1 and R2 are alkyl or cycloalkyl or they, together with the S atom, form a heterocyclic ring, R | 12/19/2000 |
| 5994485 | Vinyl chloride/vinyl acetate copolymer, binder for a magnetic recording medium, and magnetic recording medium A vinyl chloride/vinyl acetate copolymer characterized in that it has a peak at a signal position of from 6.0 to 8.0 ppm in the 1 H-NMR measurement.... | 11/30/1999 |
| 5914408 | Olefin polymerization catalysts containing benzothiazole A novel metallocene catalyst for the polymerization of olefin (co)polymers is of the general formula: Benzothiazole--E--M--Xm Ln where, M is a transition metal of Groups 3-10 of the Periodic Table; E is sulfur or oxygen; E being bond to the tr... | 06/22/1999 |
| 5880232 | Process for producing styrene based polymer and molded articles comprising the polymer There is provided a process for producing a styrene based polymer by polymerizing a styrene compound, the process including the step of continuously feeding a styrene compound and one or more sulfide compounds to a reaction zone. The sulfide compounds inc... | 03/09/1999 |
| 5847025 | Light-curing composite material A light-curing composite material is described which is characterized by a content of anaerobic stabilizer and/or stable organic radicals and which has a reduced light sensitivity and an improved vacuum stability and is therefore suitable in particular as... | 12/08/1998 |
| 5801221 | Polymeric phase transition artificial receptors, antibodies, and enzymes Multiple-phase transition copolymers are formed which can selectively bind and release a chemical, or which can selectively catalyze a specific chemical reaction.... | 09/01/1998 |
| 5703184 | Process for producing styrenic polymer A process for producing a styrenic polymer having a wide-spread molecular weight distribution, which comprises polymerizing a styrenic monomer or a styrenic monomer and a monomer copolymerizable with the styrenic monomer in the presence of 50 to 5000 ppm ... | 12/30/1997 |
| 5486582 | Polymer scale preventive process using a coating of chitosan salt and phenothiazine A polymer scale preventive process for use in polymerization of a monomer having an ethylenically unsaturated double bond, comprising (A) a water-soluble basic polysaccharide and (B) a phenothiazine. The process is used for forming a coating on the inner ... | 01/23/1996 |
| 5411998 | Curing anaerobic compositions through thick bondlines A process for sealing or adhering two surfaces having gaps of more than 100 micrometers between the surfaces which comprises: (A) applying to at least one of said surfaces an anaerobic composition comprising: (i) a room temperature polymerizable (meth)acrylic ... | 05/02/1995 |
| 5401815 | Polymer scale preventive agent, polymerization vessel for preventing polymer scale deposition, and process of producing polymer using said vessel A process and coated vessel for use in the prevention of scale adhesion during the polymerization of a monomer having an ethylenic double bond, the two part coating comprising an N-substituted leucophenothiazine dye having the general formula (I): wherei... | 03/28/1995 |
| 5399646 | Alkylidenenorbornene polymer and process for producing the same The present invention discloses an alkylidenenorbornene polymer comprising as the essential constituent at least one kind of the structural unit represented by the formula ##STR1## wherein R1 denotes an alkyl group of 1-4 carbon atoms and ... | 03/21/1995 |
| 5378775 | Polymer scale preventive agent, polymerization vessel for preventing polymer scale deposition, and process of producing polymer using said vessel A polymer scale preventive agent for use in polymerization of a monomer having an ethylenically unsaturated double bond, comprising (A) a N-substituted leucophenothiazine having the general formula (I): ##STR1## wherein Z is a carbonyl group or a sul... | 01/03/1995 |
| 5310836 | Process for synthesizing fluoropolymers The invention provides a process for polymerizing at least one fluoromonomer in the presence of a cyclic perfluorinated amine. Perfluoro-N-methylmorpholine is a preferred cyclic amine.... | 05/10/1994 |
| 5270413 | Aliphatic cyclobutene polymeric compositions Copolymeric compositions derived from polydienophilic monomers and aliphatic cyclobutene monomers according to the formula ##STR1## in which each R is independently selected from hydrogen, halide, C1-10 alkyl, aryl and C1-10 het... | 12/14/1993 |
| 5120823 | Toughened thermosetting structural materials Toughened bismaleimide resin systems capable of preparing carbon fiber reinforced composites having compression after impact strengths of greater than 40 Ksi are prepared from bismaleimide matrix resin systems containing a member of a limited set of solub... | 06/09/1992 |
| 4963592 | Super porous low molecular weight vinyl halide resins A process for producing porous, low molecular weight vinyl polymers and copolymers via suspension polymerization in the presence of a dual function porosifier/low molecular weight modifier is disclosed. The process is especially advantageous in that it ca... | 10/16/1990 |
| 4925904 | Compositions containing stabilized unsaturated polyester resins A new composition is disclosed which contains a cross linkable unsaturated polyester and a phenothiazine. The new composition has substantially improved shelf life and is particularly useful as an adhesive and for trowelling.... | 05/15/1990 |
| 4920189 | Process for the production of toluene-soluble, sulphur-modified chloroprene polymers Toluene-soluble, sulphur-modified polychloroprene is obtained by emulsion copolymerization of chloroprene, sulphur and optionally further monomers which are copolymerizable with chloroprene and sulphur using a peroxy activator and subsequent working-up by... | 04/24/1990 |
| 4853446 | Phenothiazine composition for use in reactor scale prevention A composition having the formula ##STR1## wherein n has an average value of one to about five, is disclosed for use in reducing or eliminating the formation of reactor scale during the polymerization of vinyl chloride and comonomers. The composition ... | 08/01/1989 |
