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| Number | Title | Issue Date |
| 7939620 | High density data storage medium, method and device A composition of matter for the recording medium of nanometer scale thermo-mechanical information storage devices and a nanometer scale thermo-mechanical information storage device. The composition includes: one or more polyaryletherketone polymers, each of the one ... | 05/10/2011 |
| 7875696 | Use of a kinked rigid-rod polyarylene, and articles made from said kinked rigid-rod polyarylene Use of at least one kinked rigid-rod polyarylene of a specific type for its fire resistance properties. Films and coatings consisting of a material comprising the same kinked rigid-rod polyarylene. ... | 01/25/2011 |
| 7863401 | Divinylsilane-terminated aromatic ether-aromatic ketone-containing compounds A compound having the formula: Each Ar is an aromatic group. Each R is an alkyl group. The value n is a positive integer. The values of w, x, y, and z are 0 or 1. If y is 0 than x and z are 0 and w is 1, and if y is 1 than ... | 01/04/2011 |
| 7772355 | Divinylsilane-terminated aromatic ether-aromatic ketone-containing compounds A compound having the formula: Each Ar is an aromatic group. Each R is an alkyl group. The value n is a positive integer. The values of w, x, y, and z are 0 or 1. If y is 0 than x and z are 0 and w is 1, and if y is 1 than ... | 08/10/2010 |
| 7312282 | Process of preparation of block copolymers and the block copolymers prepared therefrom Processes for preparing block copolymers and the block copolymers prepared therefrom comprising at least two types of homoblock, all belonging to the polysulfone family, wherein each of the said homoblocks has an identical or different molecular weight of at least 1... | 12/25/2007 |
| 7217442 | Method and apparatus for mixing and applying a multi-component coating composition A method of applying a multi-component coating of a desired composition over a substrate includes providing a coating device in flow communication with a first coating component having a first rheological profile and at least one second coating component having a se... | 05/15/2007 |
| 7097734 | System and method for forming wood products Methods for securing wood members together are disclosed. The methods include the use of an adhesive that quickly cures without heating. Adhesives may be impingement sprayed or splattered onto a contact surface. The methods may be used to form high-strength bonds be... | 08/29/2006 |
| 7081287 | High performance thermoplastic vulcanizate A high performance thermoplastic hose useful as a power steering hose, the high performance thermoplastic hose comprising a high performance engineering thermoplastic such as polyurethane and a chlorine-containing polyolefin such as chlorinated polyethylene, chlorin... | 07/25/2006 |
| 6833426 | Halogenated aromatic compound, (co)polymer thereof, and proton-conductive membrane comprising same A halogenated aromatic compound, a polyarylene (co)polymer obtained by the polymerization of such a halogenated aromatic compound as a monomer component, and a proton-conductive membrane made of a sulfonation product of such a (co)polymer are disclosed. The halogena... | 12/21/2004 |
| 6825310 | Halogenated aromatic compound, polymer thereof, and proton-conductive membrane comprising same A polymer which has a flexible structure in its main chain and thus exhibits a high toughness and can difficultly be deteriorated in its mechanical properties and thermal properties even when sulfonated, a sulfonic acid group-containing polymer obtained by the sulfo... | 11/30/2004 |
| 6790934 | Method for purification of aromatic polyethers Aromatic polyethers are prepared by displacement polymerization reaction in the presence of a water-immiscible solvent with boiling point at atmospheric pressure of greater than 110° C. and a density ratio to water of greater than 1.1:1 at 20-25° C. The polyethers... | 09/14/2004 |
| 6713590 | Low dielectric constant materials with polymeric networks A low dielectric constant material has a polymeric network that is fabricated from a first and a second component. The first component comprises a polymeric strand, and the second component comprises a molecule having a central portion with at least three arms exten... | 03/30/2004 |
| 6423811 | Low dielectric constant materials with polymeric networks A low dielectric constant material has a polymeric network that is fabricated from a first and a second component. The first component comprises a polymeric strand, and the second component comprises a molecule having a central portion with at least three... | 07/23/2002 |
| 6323301 | High performance UV and heat crosslinked or chain extended polymers Disclosed is a composition comprising a polymer with a weight average molecular weight of from about 1,000 to about 100,000, said polymer containing at least some monomer repeat units with a first, photosensitivity-imparting substituent which enables cros... | 11/27/2001 |
| 6228971 | Polymeric imine functional compositions and their use in film-forming compositions Novel imine functional copolymers are provided containing a plurality of groups of the structure: ##STR1## where R1 is hydrogen or methyl; R2 is hydrogen or an alkyl group having from about 1 to about 10 carbon atoms; R3 i... | 05/08/2001 |
| 6207787 | Antireflective coating for microlithography A co-polymer of benzophenone and bisphenol A has been shown to have DUV absorption properties. Therefore, the co-polymer has particular utility as an antireflective coating in microlithography applications. Incorporating anthracene into the co-polymer bac... | 03/27/2001 |
| 6187512 | Process for halomethylation of high performance polymers Disclosed is a process which comprises reacting a polymer of the general formula ##STR1## wherein x is an integer of 0 or 1, A is one of several specified groups, such as ##STR2## B is one of several specified groups, such as ##STR3## or mixture... | 02/13/2001 |
| 6143860 | Polyketone polymer composition A polymer composition made by combining a polyketone polymer and a phenolic alkylene dicarboxylate of the general formula: ##STR1## each R1 independently is hydrogen or alkyl with 1-6 carbon atoms, each R2 independently is alkyl... | 11/07/2000 |
| 6117967 | Arylene ether alcohol polymers Disclosed is a polymer of the formula ##STR1## wherein A is ##STR2## or a mixture of ##STR3## wherein R is a hydrogen atom, an alkyl group, an aryl group, or mixtures thereof, B is one of specified groups, such as ##STR4## or... | 09/12/2000 |
| 6090453 | Halomethylated high performance curable polymers Disclosed is a process which comprises the steps of (a) providing a polymer containing at least some monomer repeat units with halomethyl group substituents which enable crosslinking or chain extension of the polymer upon exposure to a radiation source wh... | 07/18/2000 |
| 6087467 | Rigid-rod polymers Rigid-rod and segmented rigid-rod polymers, methods for preparing the polymers and useful articles incorporating the polymers are provided. The polymers incorporate rigid-rod backbones with pendant solubilizing groups attached thereto for rendering the po... | 07/11/2000 |
| 6087414 | Process for direct substitution of high performance polymers with unsaturated ester groups Disclosed is a process which comprises reacting a polymer of the general formula ##STR1## wherein x is an integer of 0 or 1, A is one of several specified groups, such as ##STR2## B is one of several specified groups, such as ##STR3##... | 07/11/2000 |
| 6020452 | Chiral biphenyl compounds for use in asymmetric reactions A chiral biphenyl compound includes a hindered 2,2'-substituted-1,1'-biphenyl subunit and has the following formula: ##STR1## The chiral biphenyl compounds have been shown to be useful as catalysts in asymmetric reactions. For example, an organozinc ... | 02/01/2000 |
| 6020119 | Process for halomethylation of high performance polymers Disclosed is a process which comprises reacting a polymer of the general formula ##STR1## or ##STR2## wherein x is an integer of 0 or 1, A is one of several specified groups, such as ##STR3## B is one of several specified groups, ... | 02/01/2000 |
| 6007877 | Aqueous developable high performance photosensitive curable aromatic ether polymers Disclosed is a composition which comprises a polymer containing at least some monomer repeat units with water-solubility- or water-dispersability-imparting substituents and at least some monomer repeat units with photosensitivity-imparting substituents wh... | 12/28/1999 |
| 5955564 | 1,5(8)-bis (substituted-N-propylamino)-4,8(5)-bis(arylthio)anthraquinone compounds This invention relates to new blue anthraquinone colorants having Formula I ##STR1## wherein R and R1 are the same or different and are selected from hydrogen and unsubstituted or substituted C1-C6 alkyl, C3-C7 cycloalkyl 2-furyl, 2-thienyl, or pheny... | 09/21/1999 |
| 5889134 | Chiral organozinc species for use in asymmetric reactions An organozinc species, useful in the reactions of aldehydes and ketones, is a reaction product of a) a biphenyl compound having one or more hindered 2,2'-substituted biphenyl subunits and b) an organozinc compound, such as diethylzinc. The organozinc spec... | 03/30/1999 |
| 5807960 | Alkyl phosphate catalyst for polyquinoline synthesis A method is provided for the preparation of polyquinoline polymers based on Friedlander condensation polymerization. The method comprises mixing monomers which, when polymerized, form a polyquinoline polymer, together with a catalyst and a solvent, wherei... | 09/15/1998 |
| 5753783 | Process for haloalkylation of high performance polymers Disclosed is a process which comprises reacting a polymer of the general formula ##STR1## wherein x is an integer of 0 or 1, A is one of several specified groups, such as ##STR2## B is one of several specified groups, such as ##STR3## ... | 05/19/1998 |
| 5708123 | Electroactive materials, a process for their preparation as well as the use thereof Stable, electroactive material which when a potential is applied from the outside is subjected to one or more reversible redox reactions, for use in devices with an electrochromic display or another electrochromic color change or in batteries. The materia... | 01/13/1998 |
| 5677380 | Planarizing material and planarizing method A planarizing material comprising a resin capable of having its practical temperature for a planarizing step set at a level lower than 200° C., and a melamine-type heat-curing agent and/or an epoxy-type heat-curing agent.... | 10/14/1997 |
| 5651817 | Cement dispersant When a cement dispersant comprising a polymer which is obtained by co-condensating monomers comprising monomer (A) and monomer (B) with formaldehyde, or a salt obtained by neutralizing the polymer, wherein the monomer (A) is an aromatic compound having, o... | 07/29/1997 |
| 5621052 | Aminoplast-anchored ultraviolet light stabilizers Novel aminoplast anchored UV stabilizers are provided. Compared to unanchored stabilizers, the anchored stabilizers disclosed herein have increased compatibility with coating resins and have reduced volatility due to higher molecular weights resulting fro... | 04/15/1997 |
| 5605986 | Aminoplast-anchored ultraviolet light stabilizers Novel aminoplast anchored UV stabilizers are provided. Compared to unanchored stabilizers, the anchored stabilizers disclosed herein have increased compatibility with coating resins and have reduced volatility due to higher molecular weights resulting fro... | 02/25/1997 |
| 5563224 | Aminoplast-anchored ultraviolet light stabilizers Novel aminoplast anchored UV stabilizers are provided. Compared to unanchored stabilizers, the anchored stabilizers disclosed herein have increased compatibility with coating resins and have reduced volatility due to higher molecular weights resulting fro... | 10/08/1996 |
| 5334692 | Highly branched polyphosphonates based on melamine New, highly branched polyphosphonates which have a greatly improved flame retardant action compared with known polyphosphonates which are suitable as additives for plastics. In addition the new polyphosphonates may be incorporated in plastics as stabilize... | 08/02/1994 |
| 5320886 | Hydrophilic crosslinking monomers and polymers made therefrom This invention relates primarily to organofunctional monomers, predominantly dimethacrylates and/or diacrylates containing one or more (predominantly two carboxyl groups, with moieties that provide sufficient affinity with water to allow any desired amoun... | 06/14/1994 |
| 5288822 | Liquid crystalline epoxy resin as additive for polyketone polymers Polyketone polymers can be stabilized and rendered more processable by the inclusion of a liquid crystalline diglycidyl compound, e.g., the diglycidyl ether of a 1,4-bis(p-hydroxybenzoyloxy) cyclohydrocarbon.... | 02/22/1994 |
| 5247050 | Fluorinated quinoline polymers and the corresponding fluorinated monomers A new class of polymers is provided as well as the monomers used for their preparation. The polymers provided in accordance with practice of the present invention include repeating units comprising one or more quinoline groups, wherein at least a portion ... | 09/21/1993 |
| 5221730 | Polyesters from terephthalic acid, 2,6-naphthalenedicarboxylic acid and hydroquinone Disclosed are melt-processable wholly aromatic polyesters prepared from terephthalic acid, 2,6-naphthalenedicarboxylic acid, and hydroquinone.... | 06/22/1993 |