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Class 525/338 - Chemical treating agent contains elemental hydrogen or an elemental hydrogen-liberating compound, e.g., hydrogenation, etc.


Subclass of Class 525 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter under subclas 55 wherein the chemical treating
No. of patents: 457
Last issue date: 12/27/2011


1                      
NumberTitleIssue Date
8084548Hydrogenation of diene-based polymers
The present invention relates to a process for the hydrogenation of the carbon-carbon double bonds in diene-based polymers in bulk form by treatment of said diene-based polymer with hydrogen in the presence of an iridium containing catalyst and in the absence of any...
12/27/2011
8058356Method for manufacturing hydrogenated block copolymer
The present invention relates to a method for manufacturing a substantially hydrogenated vinyl aromatic/conjugated diene block copolymer, which has a hydrogenation level of greater than 90 percent. The resulting substantially hydrogenated vinyl aromatic/conjugated d...
11/15/2011
8044149Process for production of hydrogenated polymers and hydrogenated polymers
Provision of, in a process of producing a hydrogenated polymer, which comprises steps of sequentially performing, in the presence of a ruthenium carbene complex, a ring-opening metathesis polymerization reaction of a cyclic olefin and a hydrogenation reaction of a r...
10/25/2011
7960481Hydrogenated copolymer and composition containing the same
A hydrogenated copolymer obtained by hydrogenating an unhydrogenated copolymer comprising conjugated diene monomer units and vinyl aromatic monomer units, the hydrogenated copolymer containing at least one hydrogenated copolymer block (B) which is obtained by hydrog...
06/14/2011
7723441Low out-gassing room temperature curable rubbery polymer, preparation thereof and device comprising same
Disclosed is polymer materials essentially free of silicone capable of room-temperature thermal cure and when cured having low modulus, low out-gassing rate. The material before cure typically comprises three components: (i) a cationically curable component comprisi...
05/25/2010
7696282Method for the hydrogenation of unsaturated polymers containing double bonds
The present invention relates to a method for the hydrogenation of unsaturated polymers containing double bonds, the unsaturated polymers present in latex form being hydrogenated in the presence of a metal-containing colloid. ...
04/13/2010
7666950Process for preparing hydrogenated nitrile rubbers
The present invention provides a novel process for preparing hydrogenated nitrile rubbers comprising subjecting nitrile rubbers in a spinning disk reactor to hydrogenation. The present process is less demanding with regard to its reaction conditions, like e.g. the h...
02/23/2010
7612148Hydrogenation catalyst composition and method for hydrogenation of conjugated diene polymer
A method for hydrogenation of a conjugated diene polymer is provided. The conjugated diene polymer in an inert organic solvent is brought into contact with hydrogen in the presence of a hydrogenation catalyst composition to selectively hydrogenate the unsaturated do...
11/03/2009
7608671Norbornene ring-opened polymer hydrogenated product and process for producing same
A norbornene ring-opened polymer hydrogenated product having a syndiotactic structure and a process for producing the same are disclosed. The ring-opened polymer hydrogenated product contains a repeating unit originating from a polycyclic norbornene monomer with thr...
10/27/2009
7446152Method of producing hydrogenated polymers
In the production of a nuclear-hydrogenated polymer, the hydrogenation of an aromatic vinyl compound—(meth)acrylate copolymer is conducted in a mixed solvent comprising an ester compound and an alcohol compound in the presence of a catalyst. By this method, a high...
11/04/2008
7439301Block copolymers having high flow and high elasticity
Disclosed is an elastomeric hydrogenated block copolymer capable of being directly extruded or molded with a minimum of additives and having both high elasticity and low permanent set. The hydrogenated block copolymers have high melt flows allowing for ease in proce...
10/21/2008
7408009Hydrogenation of polymers in the presence of supercritical carbon dioxide
A method of hydrogenating a polymer comprises: (a) providing a dense phase, the dense phase comprising a polymer in a solvent; (b) providing a catalyst system, the catalyst system comprising as least one metal hydrogenation catalyst (preferably including nickel or r...
08/05/2008
7390856Method for making selectively hydrogenated block copolymers of vinyl aromatic hydrocarbons and conjugated dienes
Disclosed is a method for making selectively hydrogenated block copolymers of vinyl aromatic hydrocarbons and conjugated dienes comprising: a) anionically polymerizing vinyl aromatic hydrocarbons and conjugated dienes to produce block copolymers with living chain en...
06/24/2008
7388055Functional norbornenes and polymeric derivatives and fabrication thereof
The invention relates to functional norbornenes as initiators for radical polymerization, its polymer and fabrication method thereof. More particularly, the functional norbornenes can be selectively polymerized by ring-opening metathesis polymerization or radical po...
06/17/2008
7385010Hydrogenation of diene-based polymer latex
The present invention relates to a process for the hydrogenation of the carbon-carbon double bonds in diene based polymer latex. ...
06/10/2008
7371805Hydrogenated copolymer and composition thereof
A hydrogenated copolymer obtained by hydrogenating an unhydrogenated copolymer comprising conjugated diene monomer units and vinyl aromatic monomer units, the hydrogenated copolymer containing at least one hydrogenated copolymer block (B) which is obtained by hydrog...
05/13/2008
7368508Functional norbornenes and polymeric derivatives and fabrication thereof
The present invention relates to novel functional norbornenes as initiators for radical polymerization, its polymer and a process for producing the same. More particularly, the novel functional norbornenes can be selectively polymerized by ring-opening metathesis po...
05/06/2008
7368509Functional norbornenes and polymeric derivatives and fabrication thereof
The present invention relates to novel functional norbornenes as initiators for radical polymerization, its polymer and a process for producing the same. More particularly, the novel functional norbornenes can be selectively polymerized by ring-opening metathesis po...
05/06/2008
7361714Catalyst and method for hydrogenating aromatic compounds
The invention relates to the hydrogenation of aromatic compounds, in particular the preparation of alicyclic polycarboxylic acids or esters of these, via ring hydrogenation of the corresponding aromatic polycarboxylic acids or esters of these, and also to catalysts ...
04/22/2008
7351780Method for manufacturing high viscosity polyalphaolefins using ionic liquid catalysts
A method of continuously manufacturing a high viscosity polyalphaolefin product by introducing a monomer and an ionic liquid catalyst together into a reaction zone while simultaneously withdrawing from the reaction zone a reaction zone effluent that contains the hig...
04/01/2008
7345115Organic solvent-free hydrogenation of diene-based polymers
A process is provided for the hydrogenation of carbon-carbon double bonds in polymers by treatment of the polymers with hydrogen in the presence of rhodium-based catalysts and in the complete absence of organic solvent. ...
03/18/2008
7342143Polyalphaolefin having a low halide concentration and a method of manufacturing thereof
A method for the processing of a polyalphaolefin feedstock having a concentration of organic halide to thereby yield a polyalphaolefin end-product having a low concentration of organic halide. The method includes a hydrogenation step whereby the polyalphaolefin feed...
03/11/2008
7342084Peroxidically crosslinked hydrogenated vinylpolybutadienes and their use for production of technical rubber products with good recovery performance over a wide temperature range
The present invention provides peroxidically crosslinked hydrogenated vinylpolybutadienes which serve for production of technical rubber products and which have very good recovery performance over a wide temperature range. ...
03/11/2008
7339006Metathesis-active adhesion agents and methods for enhancing polymer adhesion to surfaces
The invention discloses an adhesion agent composition comprising at least one C3-C200 olefin compound having at least one metathesis active double bond, wherein the olefin is substituted or unsubstituted; and at least one compatibilizing functi...
03/04/2008
7332542Block copolymers and method for making same
The present invention is a novel block copolymer containing a controlled distribution copolymer block of a conjugated diene and a mono alkenyl arene, where the controlled distribution copolymer block has terminal regions that are rich in conjugated diene units and a...
02/19/2008
7323518Norbornene compounds with cross-linkable groups and their derivatives
The present invention provided a norbornene compound with cross-linkable groups and their derivative polymers, wherein said cross-linkable groups were olefin or epoxy groups. Norbornene polymers with cross-linkable side chain and their block copolymers as well as mo...
01/29/2008
7309747Highly flowable 1-butene polymer and process for producing the same
A 1-butene polymer satisfying the following (1), (2) and either (3) or (3′): a process for producing the polymer; a resin modifier comprising the polymer; and a hot-melt adhesive containing the polymer. (1) The intrinsic viscosity [η] as measured in tetralin solv...
12/18/2007
7304113Method for partially and selectively hydrogenating polymers made of conjugated dienes
The invention relates to a method for partially and selectively hydrogenating a polymer made of at least a conjugated diene monomer having a vinyl content of from 20 to 65%, comprising a hydrogenation step on a solution of the polymer, characterized in that the hydr...
12/04/2007
7301190Structures and methods to enhance copper metallization
Disclosed structures and methods inhibit atomic migration and related capacitive-resistive effects between a metallization layer and an insulator layer in a semiconductor structure. One exemplary structure includes an inhibiting layer between an insulator and a meta...
11/27/2007
7290367Tear resistant gel articles for various uses
A soft gelatinous elastomer composition and article useful as fishing bait, floss, liner and other uses formed from one or a mixture of two or more of a one or a mixture of two or more of a hydrogenated controlled distribution styrene block copolymer(s) and one or m...
11/06/2007
7291680Metal catalyst and hydrogenation method employing the same
A metal catalyst for hydrogenating unsaturated carbon-carbon bonds of copolymer is provided. The metal catalyst is a bimetallic complex comprising iridium and ruthenium. The metal catalyst has a formula comprising M1aM2bX
11/06/2007
7285196Methods and apparatus for making integrated-circuit wiring from copper, silver, gold, and other metals
In recent years, copper wiring has emerged as a promising substitute for the aluminum wiring in integrated circuits, because copper offers lower electrical resistance and better reliability at smaller dimensions than aluminum. However, use of copper typically requir...
10/23/2007
7285598Polymer and process for producing the same
A polymer consisting mainly of structural units represented by the general formula (1), wherein the total molar amount of terminal aldehyde groups and acetal groups is 0.6 mol % or smaller based on the total molar amount of the structural units represented by the ge...
10/23/2007
7282536Block copolymers and method for making same
The present invention is a novel block copolymer containing a controlled distribution copolymer block of a conjugated diene and a mono alkenyl arene, where the controlled distribution copolymer block has terminal regions that are rich in conjugated diene units and a...
10/16/2007
7279528Adhesive components and process for manufacture
Resins and oligomer materials and/or combinations thereof grafted with an unsaturated acid or anhydride, such as maleic anhydride, are disclosed herein. The grafted materials are useful in adhesive formulations, particularly in hot melt adhesive applications. ...
10/09/2007
7279532Modified hydrogenated copolymer
A modified hydrogenated copolymer comprising a hydrogenated copolymer and a functional group-containing modifier group bonded to the hydrogenated copolymer, wherein the hydrogenated copolymer is obtained by hydrogenating an unhydrogenated copolymer comprising conjug...
10/09/2007
7271230Norbornene compounds with cross-linkable groups and their derivatives
The present invention provided a norbornene compound with cross-linkable groups and their derivative polymers, wherein said cross-linkable groups were olefin or epoxy groups. Norbornene polymers with cross-linkable side chain and their block copolymers as well as mo...
09/18/2007
7271223Norbomene compounds with cross-linkable groups and their derivatives
The present invention provided a norbornene compound with cross-linkable groups and their derivative polymers, wherein said cross-linkable groups were olefin or epoxy groups. Norbornene polymers with cross-linkable side chain and their block copolymers as well as mo...
09/18/2007
7267855Articles prepared from hydrogenated controlled distribution block copolymers
The present invention relates to articles prepared from novel anionic block copolymers of mono alkenyl arenes and conjugated dienes, and to blends of such block copolymers with other polymers. The block copolymers are selectively hydrogenated and have mono alkenyl a...
09/11/2007
7265184Polymer hydrogenation process
A process for hydrogenating unsaturations in polymers, the process comprising contacting at least one polymer having unsaturations with a catalyst comprising at least one Group Ia, Ib, IIb, VIb, VIIb or VIII metal on a support of an alkaline earth metal silicate hav...
09/04/2007
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