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| Number | Title | Issue Date |
| 7067601 | Multi-functional alpha-alkoxyalkyl acrylate and methacrylate ester compositions and reworkable polymers formed therefrom Adhesive compositions are disclosed which include acrylates, their polymers, and free radical initiators. The compositions include a multi-functional alpha-alkoxyalkyl (meth)acrylate compound and a free radical initiator. The multi-functional alpha-alkoxyalkyl (meth... | 06/27/2006 |
| 6673883 | Polymers containing zwitterionic monomers A cross-linkable polymer formed from monomer including a) a hydroxyl-group containing monomer of the formula I ##STR1## in which R26 is hydrogen or a C1-4 -alkyl group; A1 is --O-- or --NR27 -- where R27 | 01/06/2004 |
| 6630599 | Process for preparing derivatives of isopropenyl-, -dimethylbenzyl isocyanate A process for preparing blocked derivatives of m- or p- isopropenyl-,-dimethylbenzyl isocyanates, comprising reacting a meta- or a para-isopropenyl-,-dimethylbenzyl carbamate ester with hydroxy functional blocking group, such a... | 10/07/2003 |
| 6492478 | Polymers with crosslinkable pendent groups The invention relates to novel crosslinkable prepolymers comprising structural units of the formula ##STR1## wherein the variables are as defined in the claims, to crosslinked polymers, to either homo-polymers or copolymers prepared from those novel ... | 12/10/2002 |
| 6492488 | Controlled release polyacrylic acid granules and a process for preparing the same A method for forming polyacrylic acid granules and granules prepared therefrom, wherein the granules are flowable, have comparable swelling characteristics and provide comparable tablet properties to powdered polyacrylic acid, have increased bulk density ... | 12/10/2002 |
| 6492543 | Ordered polyacetylenes and process for the preparation thereof Polyacetylene compounds and process for the preparation thereof from a chiral dihydroxy amide are described. The compounds preferably have diacyl groups attached to the amide. The compounds are useful for making films which are electrically conductive, ne... | 12/10/2002 |
| 6469133 | Process for the preparation of polymers of dimeric cyclic esters The present invention provides a process for the direct synthesis of high melting polymers made from dimeric cyclic esters. In particular, the present invention provides a process for synthesis of polylactic acid (PLA) from racemic materials such as racem... | 10/22/2002 |
| 6462158 | Polymerizable compounds having norbornanelactone structure and polymers Disclosed herein are polymerizable compounds represented by the following formula (1): ##STR1## wherein one of R1 and R2 represents an alkyl group, which has 1 to 4 carbon atoms and is other than a tert-butyl group, and the other ... | 10/08/2002 |
| 6458896 | Superabsorbent powders of high absorption and high capillary suction Certain mixtures of two superabsorbent powders having very different capillary suctions exhibit a resulting capillary suction which approaches the higher value. The resulting mixtures simultaneously exhibit a high capillary suction and a high intrinsic ab... | 10/01/2002 |
| 6455645 | Process for the production of telechelic polymers, telechelic polymers produced in this manner and use thereof A novel process for the production of oligomeric and polymeric telechelic compositions, to the telechelic compositions produced in this manner and to use thereof in the plastics, fibres or lacquer sectors.... | 09/24/2002 |
| 6451947 | High energy density capacitors and compounds for use in their preparation A high energy density capacitor comprising an organic polymeric dielectric material having a dielectric constant of at least about 7; wherein the organic polymeric dielectric material comprises polymerized alkyl (alpha-substituted)acrylate monomers having... | 09/17/2002 |
| 6451950 | Polymeric pigment dispersants having multiple pigment anchoring groups A polymer dispersant for pigments based on a random copolymer wherein the copolymer has a weight average molecular weight of at least 3000 and comprises a polymeric backbone of primarily acrylic monomers wherein the backbone contains multiple pigment anch... | 09/17/2002 |
| 6448354 | Methyl methacrylate syrup and production thereof A methyl methacrylate syrup is produced by the steps of (1) preparing a starting material comprising methyl methacrylate or a monomer mixture mainly comprising methyl methacrylate, and dividing the starting material into 20 to 70% by weight of an initial ... | 09/10/2002 |
| 6448347 | Continuous production of 2-acrylamido-2-methylpropane-sulfonic acid in a small reactor integrated with acrylic polymer fiber production Amidoalkanesulfonic acids are prepared by reacting a molar excess of an unsaturated nitrile, a source of SO3, and an olefin, in a substantially non-aqueous medium, and transferring the crude reaction product containing amidoalkanesulfonic acid,... | 09/10/2002 |
| 6444771 | Acrylic acid-maleic acid copolymer (or its salt), its production process and use, and production process for aqueous maleic salt solution with low impurity content The present invention provides: an acrylic acid-maleic acid copolymer (or its salt) which is excellent in performances, such as Mg2+ scavengeability, clay dispersibility in the presence of Mg2+, inhibitability upon Mg(OH)2... | 09/03/2002 |
| 6441114 | Adhesives for use on fluorine-containing or polycarbonate surfaces Adhesives useful in applying articles, such as tapes, labels, signs, decals, emblems, car moldings, protective or optical films, etc., to surfaces to which articles normally do not adhere well, such as surfaces containing fluorine and polycarbonate, for e... | 08/27/2002 |
| 6437033 | Rosin-fatty acid vinylic polymers Vinylic polymer compositions having a weight average molecular weight in the range of about 4,000 to about 12,000 are produced by reacting, in an addition polymerization reaction, a fatty acid rosin mixture and a monomer mixture at a temperature in the ra... | 08/20/2002 |
| 6437010 | Device and method for the regeneration of mixed ion exchange resin beds A method for desalination of water or of aqueous solutions derived from industrial process that use two columns: the first treatment column containing a mixed bed of ion exchange resins, in which the cation exchange resins are regenerated, and a second co... | 08/20/2002 |
| 6437065 | Reactive systems from polymerizable monomers which comprise peroxides and stabilized alkylboron compounds Reactive systems for polymerizing ethylenically unsaturated compounds comprising a first component, comprised of ethylenically unsaturated compounds capable of polymerization, and a second component of a hardener system comprised of organoboron compounds ... | 08/20/2002 |
| 6437052 | Monomer having diol structure, polymer thereof, and negative photoresist composition and pattern forming method using the same Disclosed is a negative photoresist which is suitable for use in photolithography using light of 220 nm or shorter like the light from the ArF excimer laser as exposure light, avoids pattern deformation originated from swelling and has a high adhesion str... | 08/20/2002 |
| 6433097 | Curable polymer compositions and their preparation A curable acrylic polymer composition useful in coating, sealant or adhesive compositions comprises an acrylic polymer containing pendant functional groups selected from epoxide groups, isocyanate groups, alkoxysilane groups and activated --CH-- groups bo... | 08/13/2002 |
| 6433052 | Rosin-fatty acid vinylic polymers as ink additives This invention relates to novel rosin-fatty acid vinylic polymer compositions and the process for preparing them. In particular, the invention relates to novel rosin-fatty acid vinylic polymer compositions which exhibit properties that make them useful as... | 08/13/2002 |
| 6423799 | Photo-addressable substrates and photo-addressable side-group polymers with highly inducible double refraction Disclosed is an extremely rapidly photo-addressable storage media from inherently slow photo-addressable polymers by irradiating a substrate over a large area with a light source suitable for conventional inscription so that an optical anisotropy, i.e. a ... | 07/23/2002 |
| 6423805 | Polymer compositions The open time of a cementitious composition, such as a grout, may be increased by the incorporating therein, as a binder, a polymer composition comprising a film-forming copolymer formed by polymerization of a monomer mixture comprising 1 to 3% of at leas... | 07/23/2002 |
| 6423801 | Branched polyammonium compounds of high molecular weight and processes for producing said compounds The invention is concerned with water soluble high-molecular weight quaternary ammonium graft polymer, wherein ammonium salt side chains are grafted onto a polyamine backbone under free radical conditions, and wherein the initiator system comprises a free... | 07/23/2002 |
| 6423804 | Ion-sensitive hard water dispersible polymers and applications therefor The present invention is directed to ion-sensitive, hard water dispersible polymers. The present invention is also directed to a method of making ion-sensitive, hard water dispersible polymers and their applicability as binder compositions. The present in... | 07/23/2002 |
| 6420474 | Stain resistant water-borne coating composition Aqueous coating composition are described wherein the binder includes an anionically stabilized addition polymerized dispersion of a polymer. The monomers used to prepare the dispersion are acrylic cid and methyacrylic acid, as carboxylic monomers and sty... | 07/16/2002 |
| 6420487 | Process for the preparation of thermoprecipitating affinity polymers The present invention relates to a process for the preparation, of thermoprecipitating affinity polymers useful in the enhanced recovery of enzymes. The process comprises polymerising a monomer comprising a spacer and a co-monomer with a polymerisation in... | 07/16/2002 |
| 6410672 | Ion exchange and electrochemical methods and devices employing one-step quaternized and polymerized anion selective polymers The invention provides ion exchange and electrochemical methods and devices employing anion exchange polymers produced by substantially simultaneous quaternization and polymerization reactions. Anion selective polymers are produced in accordance with the ... | 06/25/2002 |
| 6410670 | Photoresist monomer having hydroxy group and carboxy group, copolymer thereof and photoresist composition using the same The present invention relates to novel monomers and their polymers, which are useful in a photolithography employing a light source in the far ultraviolet region of the light spectrum, copolymers thereof, and photoresist compositions prepared therefrom. P... | 06/25/2002 |
| 6407143 | Method and solvent composition for regenerating an ion exchange resin A method and composition for removing perchlorate from a highly selective ion exchange resin is disclosed. The disclosed approach comprises treating the resin in a solution of super critical or liquid carbon dioxide and one or more quaternary ammonium chl... | 06/18/2002 |
| 6407179 | Acrylic rubber and its composition An acrylic rubber comprising at least 0.1 and less than 3 wt % of monomer units of ethylene, from 0 to 10 wt % of monomer units of a cross-linkable monomer, and more than 87 and not more than 99.9 wt % of monomer units of at least one alkyl acrylate.... | 06/18/2002 |
| 6403760 | Monohydric polyfluorooxetane polymer and radiation curable coatings containing a monofunctional polyfluorooxetane polymer Monofunctional polyfluorooxetane oligomers and polymers are prepared by the cationic polymerization of fluorooxetane monomers with a monoalcohol. The fluorooxetane oligomers or polymers can be copolymerized with generally cyclic ethers. Alternatively, the... | 06/11/2002 |
| 6403731 | Process for preparing polymer solution Disclosed is a process for preparing a polymer solution having a reduced unreacted unsaturated monomer content, comprising radically polymerizing at least one unsaturated monomer in a solvent in the presence of a radical polymerization initiator, the at l... | 06/11/2002 |
| 6399842 | Ordered polyacetylenes and process for the preparation thereof Polyacetylene compounds and process for the preparation thereof from a chiral dihydroxy amide are described. The compounds preferably have diacyl groups attached to the amide. The compounds are useful for making films which are electrically conductive, ne... | 06/04/2002 |
| 6399701 | Surfactant-free semi-continuous emulsion polymerization process for making submicron sized particles for carrier coatings Submicron sized particles of poly(methyl methacrylate) are prepared by a surfactant-free semi-continuous emulsion polymerization process that involves (i) preparing an aqueous phase containing a free radical initiator in water by heating and stirring, (ii... | 06/04/2002 |
| 6399731 | Chain transfer agents and its use in polymer synthesis A method for making a polymer comprising the step of synthesizing a polymer by employing a chain transfer agent having the formula (II) ##STR1## where X and Y are independently selected from oxygen, sulfur, and fully-substituted nitrogen where R1 | 06/04/2002 |
| 6395868 | Ordered polyacetylenes and process for the preparation thereof Polyacetylene compounds and process for the preparation thereof from a chiral dihydroxy amide are described. The compounds preferably have diacyl groups attached to the amide. The compounds are useful for making films which are electrically conductive, ne... | 05/28/2002 |
| 6395822 | Coating composition This invention relates to a liquid coating composition that is thermally-curable in the presence of oxygen, comprising: a monomer or oligomer containing two or more acrylate and/or methacrylate functional groups; an azo initiator; and oxygen. This inventi... | 05/28/2002 |
| 6392112 | Ordered polyacetylenes and process for the preparation thereof Polyacetylene compounds and process for the preparation thereof from a chiral dihydroxy amide are described. The compounds preferably have diacyl groups attached to the amide. The compounds are useful for making films which are electrically conductive, ne... | 05/21/2002 |
