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| Number | Title | Issue Date |
| 7388048 | Flexible semiaromatic polyamides with a low moisture uptake The present invention relates to a flexible semiaromatic polyamide composition with a low moisture uptake comprising, by weight, the total being 100: 60 to 99.5% (preferably 70 to 93%) of at least one copolyamide of formula X/Y,Ar ... | 06/17/2008 |
| 7381788 | Method for continuous production of polyamide Provided is a continuous production method of a polyamide with stabilized polymerization degree and good quality, particularly an aromatic-containing polyamide. A continuous production method of a polyamide, comprising (a) a raw material preparation step of individu... | 06/03/2008 |
| 7338978 | Insecticidal anthranilamides This invention provides compounds of Formula 1, their N-oxides and agriculturally suitable salts wherein A, B, J, R1, R2, R3 and R4 and n are as... | 03/04/2008 |
| 7286275 | Polarizing, photochromic devices and methods of making the same Provided is an optical element including a substrate; a first at least partial coating of an at least partially ordered alignment medium connected to at least a portion of at least one surface of the substrate; a s... | 10/23/2007 |
| 7279543 | Anti-bacterial polymer and method for the preparation thereof, anti-bacterial polymer film and method for the preparation thereof, and article having such a film on the surface thereof An anti-bacterial polymer of the present invention consists of a vapor deposition-polymerization reaction product of a diaminobenzoic acid monomer or halogen atom-containing diamine monomer and a monomer reactive with these monomers. The anti-bacterial polymer can b... | 10/09/2007 |
| 7277141 | Optical bodies containing cholesteric liquid crystal material and methods of manufacture An optical body includes a substrate and a cholesteric liquid crystal layer disposed on the substrate. The cholesteric liquid crystal layer has a non-uniform pitch along a thickness direction of the layer and comprises a crosslinked polymer material that substantial... | 10/02/2007 |
| 7211643 | Electroactive fluorene copolymers and devices made with such polymers The present invention is generally directed to copolymers of fluorene. It further relates to devices that are made with the copolymers. ... | 05/01/2007 |
| 7133760 | Method for controlling the speed of a vehicle A method is directed to the control of the speed of a vehicle wherein the actual speed is caused to track the desired speed. For reducing the actual speed, a transmission (1) of the vehicle (5) is driven to downshift and thereby the brake system is pro... | 11/07/2006 |
| 7101043 | Polarizing devices and methods of making the same Certain, non-limiting embodiments of the disclosure provide ophthalmic elements and devices comprising an at least partial coating adapted to polarize at least transmitted radiation on at least a portion of at least one exterior surface of an ophthalmic element or s... | 09/05/2006 |
| 7097304 | Polarizing devices and methods of making the same Certain, non-limiting embodiments of the disclosure provide ophthalmic elements and devices comprising an at least partial coating adapted to polarize at least transmitted radiation on at least a portion of at least one exterior surface of an ophthalmic element or s... | 08/29/2006 |
| 7078724 | Organic compounds having a core-shell structure The invention relates to compounds having a core-shell structure, to a process for preparing them and to their use as semiconductors in electronic components. ... | 07/18/2006 |
| 7053169 | Polyamide molding compounds for producing optical lenses The invention relates to new thermoplastically processible transparent polyamide molding materials based on copolyamides containing diamines and dicarboxylic acids with aromatic cores which exhibit a high index of refraction nD20 over 1.59 and ... | 05/30/2006 |
| 6998464 | Method for producing a solution consisting of a polymer containing recurrent azole units, solutions produced according to said method and use of the same The present invention relates to a method of preparing a solution of a polymer comprising recurring azole units, which comprises dissolving a sufficiently dried polymer comprising recurring azole units of the formula wh... | 02/14/2006 |
| 6987163 | Modified polybenzimidazole (PBI) membranes for enhanced polymer electrochemical cells The invention relates to a modified polybenzimidazole (PBI), membranes that are fabricated from these polymers, and their use in electrochemical applications. These membranes have high ionic conductivity and are suitable for solid polymer electrolytes in electrochem... | 01/17/2006 |
| 6979749 | Catalytic process for the production of 3,3′, 4,4′-tetraminobiphenyl This invention relates to a process for the production of 3,3′,4,4′-tetraminobiphenyl (TAB) of formula (1) from non-carcinogenic raw materials, employing Suzuki type biaryl coupling as the key step. More particularly, it relates to a three steps process for the ... | 12/27/2005 |
| 6967778 | Optical film with sharpened bandedge The present invention provides reflective films and other optical bodies which exhibit sharp bandedges on one or both sides of the main reflection bands. The optical bodies comprise multilayer stacks M1 and M2, each having first order reflectio... | 11/22/2005 |
| 6946188 | Modified copolyesters and improved multilayer reflective films A multilayered polymer film includes a first set of optical layers and a second set of optical layers. The first set of optical layers is made from a polyester which is often birefringent. The polyesters of the first set of optical layers typically have a compositio... | 09/20/2005 |
| 6926952 | Anti-reflective polymer constructions and method for producing same Articles, including free-standing films, comprising a base comprising a polymer layer having a major surface; and an anti-reflective stack optically coupled to the base that reduces the reflectivity of the base at over a first wavelength range of interest. The anti-... | 08/09/2005 |
| 6918422 | Automated tinting film remover for vehicle window glass An automated tinting film remover comprises a loading device for moving a vehicle window and locating it at a predetermined position, a securing device with which the properly located vehicle window can be firmly secured, and a removing device for eliminating a tint... | 07/19/2005 |
| 6917399 | Optical bodies containing cholesteric liquid crystal material and methods of manufacture An optical body includes a substrate and a cholesteric liquid crystal layer disposed on the substrate. The cholesteric liquid crystal layer has a non-uniform pitch along a thickness direction of the layer and comprises a crosslinked polymer material that substantial... | 07/12/2005 |
| 6680364 | Water dispersible polyamides with ethylenically unsaturated ends The invention describes polyamides having both strongly hydrophilic groups and unsaturated groups, the polyamides consequently being water-dispersible and curable. The hydrophilic groups are distributed along the chain, whereas the unsaturated groups are ... | 01/20/2004 |
| 6593449 | Method for producing polybenzimidazole sintered compact A method of producing a sintered article of polybenzimidazole by using a polybenzimidazole resin is disclosed. This method comprises the steps of: filling a mold with a polybenzimidazole resin; after closing the mold so that the polybenzimidazole resin ca... | 07/15/2003 |
| 6586555 | Processes of preparing condensed polymers with polycarboxylic acids and polyamines This invention provides processes of the preparation of polyamides, polyimides, and polyamideimides, which are easy to purify after reactions, from polycarboxylic acids and polyamines in high yield without side reactions such as a change of color to black... | 07/01/2003 |
| 6552146 | Composition comprising polymers having a star structure, the polymers, and their use A composition, comprising, in an appropriate medium, at least one polymer with a highly specific ordered structure is disclosed. These compositions find a specific application in the field of make-up and are capable of being applied to keratinous fibers, ... | 04/22/2003 |
| 6531570 | Accelerator for the production of polyamides from aminonitriles Disclosed are the use of lactams, aminocarboxylic acids or mixtures thereof as acceleratant or cocatalyst in the production of polyamides from aminonitriles and water, and a suitable process therefor.... | 03/11/2003 |
| 6414103 | Coating powders comprising macrocyclic oligomers A coating powder comprising a macrocyclic oligomer and a ring-opening polymerization agent is applied to an article, fused, and converted to a linear polymer at a temperature of from about 160 to about 400° C. The powder has the low melt viscosity and fr... | 07/02/2002 |
| 6353083 | Fluorene copolymers and devices made therefrom This invention relates to: (a) fluorene copolymers comprising at least 10% (by residual monomeric units) of 9-substituted and/or 9,9-disubstituted fluorene moieties and at least two other monomeric units containing delocalized p-electrons, (b) polymer ble... | 03/05/2002 |
| 6271339 | Prepolymers having maleimide functions the process for preparing them and their uses These prepolymers having maleimide functions (f) consist in the reaction products of at least one maleic anhydride represented by formula (I); of at least one compound (II) having at least one --NH2 function and at least another function F sele... | 08/07/2001 |
| 6222006 | Wet strength thermosetting resin formulations and polyaminamide polymers suitable for use in the manufacture of paper products An aqueous formulation of a high solid content fully functional thermosettable wet strength resin designed for use in the manufacture of paper products is disclosed. The wet strength resin is the product of reaction of an epihalohydrin and an end-capped p... | 04/24/2001 |
| 6197920 | Formulation for the production of 1, 3-bis (4-aminophenoxy) naphthalene and its polymer The present invention relates to the synthesis of new type of diamine monomer, 1,3-bis(4-amonophenoxy)naphthalene, and with such a compound to produce a series of aromatic polymers, including polyamide, polyimide, copoly(amide-imide)s, etc., such polymers... | 03/06/2001 |
| 6194538 | Process for producing polyamides from aminonitriles A process for preparing a polyamide by reacting at least one aminonitrile with water comprises: (1) reacting at least one aminonitrile with water at a temperature from 100 to 360° C. and a pressure from 0.1 to 35×106 Pa to obtain a reaction m... | 02/27/2001 |
| 6107438 | Method of producing polyamide resin A method of producing a polyamide resin by reacting with at least one diamine compound, at least one linear polyester resin consisting of at least one dicarboxylic acid component and at least one diol component and having an intrinsic viscosity of not les... | 08/22/2000 |
| 6103862 | Alignment film material for a liquid crystal cell and a method for preparing the same A novel compound of N-substituted aromatic polyamide is prepared by introducing an aralkyl group to the N-position of an aromatic polyamide by metalizing the aromatic polyamide, then reacting the metalized polyamide with an aralkyl halide.... | 08/15/2000 |
| 6072023 | Polyamides from dimer and trimer acid esters and methods for their preparation Polyamides and process for their preparation comprising either A) epoxidizing an unsaturated or partially hydrogenated fatty acid glyceride; B) transesterifying the epoxidized glyceride with a C1-4 alkanol to obtain epoxidized fatty acid C1-4 | 06/06/2000 |
| 6043336 | Electrically conducting dendrimers An electrically conductive polymer is comprised of the reaction product of a dendrimer and an electrophoric compound which exhibits π-stacking upon reduction. The reaction product which is a peripherally modified dendrimer is formed and reduced, either c... | 03/28/2000 |
| 6025113 | Photosensitve polymide precursor and its use for pattern formation A polyimide precursor having repeating units of the formula: ##STR1## wherein R1 is a tetravalent organic group having 4 or more carbon atoms; R2 is a trivalent or tetravalent organic group having one or more aromatic rings; R | 02/15/2000 |
| 6011131 | Process for the preparation of polyamides Process for the preparation of polyamides comprising the steps of A) reacting a soybean oil condensate obtained from the deodorization of refined soybean oil and which contains less than 30% by weight of free and esterified oleic acid based on the total w... | 01/04/2000 |
| 5965689 | Electrical and electronic components made of a polyamide composition The invention relates to electrical and electronic components made of a polyamide composition and possessing an improved resistance under soldering conditions, particularly when the surface mounting technique is used. This is achieved by using a polyamide... | 10/12/1999 |
| 5965687 | Method of preparing polymers with low melt viscosity This invention is an improvement in standard polymerizations procedures, i.e., addition-type and step-growth type polymerizations, wherein momomers are reacted to form a growing polymer chain. The improvement includes employing an effective amount of a tr... | 10/12/1999 |
| 5959069 | H-shaped polyamides Polyamides are built up from, as fundamental building blocks (a), lactams or aminocarboxylic acids or mixtures of these, as fundamental building blocks (b), from 1 to 50 μmol of at least tribasic amines or carboxylic acids per gram of polyamide, as fundamenta... | 09/28/1999 |
