Patents
Sitemap › C08 - Organic macromolecular compounds; Their preparation or chemical working-up; Compositions based thereon › C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds › C08G 64 - Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
Patents for C08G 64 - Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule (9,881)
05/2003
05/20/2003US6566458 Polysulfone/polysiloxane polycarbonate block copolymers
05/15/2003US20030092873 Use of copolycarbonates
05/15/2003US20030092864 Silicon-based polycarbonates
05/14/2003EP1002820B1 Method and device for manufacturing polycarbonate
05/13/2003US6562937 Endcapping with phenol
05/13/2003US6562936 Apparatus and method for producing resin
05/13/2003US6562433 Method for the preparation of polycarbonate with reduced levels of fries
05/08/2003WO2003038009A1 Photochromic polymerizable compositions
05/08/2003WO2003037998A1 Articles having a photochromic polymeric coating
05/08/2003US20030088051 Mixing a polycarbonate product with an end-capping agent under hermetic seal at a pressure of at least about 760 mm Hg; and transferring the mixture to a postpolymerization vessel to endcap said polycarbonate product.
05/08/2003US20030085708 Process for detecting the location of a phase interface
05/08/2003CA2466316A1 Photochromic polymerizable compositions
05/07/2003EP1307499A2 Continuous preparation of polycarbonate
05/07/2003CN1416445A Polycarbonate moulded bodies with improved optical properties
05/02/2003EP1305272A2 Phenolic compounds and polymers derived therefrom
04/2003
04/29/2003US6555646 Process for preparing polycarbonate
04/29/2003US6555611 Adsorbent for aromatic hydroxy compound and utilization thereof
04/24/2003US20030078364 Process for producing aliphatic polyester carbonate
04/23/2003EP1304355A2 Inherently electrostatic dissipating block copolymer compositions
04/23/2003EP1304344A1 Method for producing polycarbonate
04/23/2003CN1412245A Block copolymer composition with electrostatic disappearnce
04/22/2003US6552158 Dimensionally stable polycarbonate articles
04/17/2003WO2003031516A1 Aromatic polycarbonate resin composition
04/17/2003WO2003031497A1 Method for end-capping polycarbonate resins and composition for use in same
04/16/2003EP1302785A1 Plastic lens
04/16/2003EP1301555A1 Mixed dialkali metal salts of sulfuric acid containing at least one cesium equivalent as polymerization catalysts
04/16/2003CN1411481A Polyether carbonates
04/16/2003CN1411434A Process for aromatic carbonate
04/16/2003CN1411428A Method for producing phosphonium phenolates
04/15/2003US6548691 Process for producing carbonic acid diaryl ester
04/15/2003US6548624 With inorganic filler, and an arylphosphine such as triphenylphosphine; housings for electronics; durability even in high-moisture atmospheres
04/15/2003US6548623 Melt reaction of bisphenol A and bis-methyl salicyl carbonate using alkali or alkaline earth metal catalyst and quaternary ammonium or phosphonium compound; Fries suppression; by-product inhibition
04/15/2003US6548216 Electrophotographic photoconductor, image forming method and apparatus, and process cartridge using the photoconductor, and long-chain alkyl group containing bisphenol compound and polymer made therefrom
04/10/2003WO2003029325A1 Method for producing aliphatic polycarbonates
04/10/2003WO2003029324A1 Polycarbonate resin and process for producing the same
04/10/2003WO2003029240A1 Method for the production of alkylene carbonates
04/10/2003WO2003008481A3 Process for preparing polycarbonate and apparatus for preparing polycarbonate
04/10/2003US20030067089 Melt kneading, vacuum venting, extrusion
04/09/2003EP1300432A1 Process for producing a polycarbonate and method of cleaning a production unit
04/09/2003EP1000106B1 Copolycarbonates with an idane bisphenol base
04/09/2003EP1000105B1 Copolycarbonates with an indan bisphenol base
04/08/2003US6545187 Distillation of a adduct of bisphenol a and phenol
04/08/2003US6545122 Multi-stage, continuous process; passing solution through a series of heat exchangers each having a downstream separator
04/08/2003US6543573 Speaker unit, speaker system, and speaker diaphragm manufacturing method
04/08/2003CA2184318C Composite material, method for producing the same and composite material for lateral rigid member for track belt
04/08/2003CA2059850C Polycarbonate resin composition
04/03/2003WO2002100974A3 Core guest host system comprising a chromophore in a polycarbonate matrix
04/03/2003WO2002053623A3 Process for the production of polycarbonate
04/03/2003US20030065130 Process for the recycling of polycarbonates
04/03/2003US20030065129 Comprises high level of endcapping and low level of rearrangement product, catalytically prepared from bisphenol A and diphenyl carbonate
04/03/2003US20030065122 Method of making silicone copolycarbonates having random and blocky substructures
04/03/2003US20030064226 Polycarbonate moulded bodies with improved optical properties
03/2003
03/27/2003WO2003024908A1 Production of low-particulate bisphenol and use thereof in the manufacturing of polycarbonate
03/27/2003US20030060593 Aromatic polycarbonate and process for their production
03/27/2003US20030060575 Polycarbonates suitable for use in optical articles
03/26/2003EP1294793A1 Method for preparing high molecular weight polycarbonate
03/26/2003CN1405636A Single-layer organic photosensitive object with positive charge for liquid developing
03/26/2003CN1103797C 聚碳酸酯片材 Polycarbonate sheet
03/25/2003USRE38050 Polycarbonate comprising different kinds of bonding units and process for the preparation thereof
03/21/2003WO2002026886A1 Copolycarbonate-based composition
03/21/2003CA2423012A1 Copolycarbonate-based composition
03/20/2003WO2003022905A1 Process for the production of polycarbonate
03/20/2003WO2003002630A3 Method for the production of aliphatic oligocarbonate diols
03/20/2003US20030055296 Purifying through a desorber column that is operating at high temperature and low pressure, distillation
03/20/2003US20030055202 Combining intermediate polycarbonate with a quenching compound including a compound having acid or acid ester moiety and at least one amine moiety; heating, reducing pressure to produce finished polycarboante
03/20/2003US20030055201 Process for optimising the production of polycarbonate by melt transesterification
03/20/2003US20030055200 Plastic lens
03/19/2003EP1292630A1 Method for producing aliphatic oligocarbonate diols
03/19/2003EP1173264B1 Method and device for evaporating polymer solutions of thermoplastic polymers
03/18/2003US6534623 Mixing amorphous polycarbonate with fugitive crystallization enhancing agent and/or high melting particulate polymeric nucleating agent, shaping mixture as desired, crystallizing at temperature above glass transition temperature
03/18/2003US6534620 Hydroxy-functional polyurethane carbonates, a process for their preparation and their use as binders
03/18/2003US6534619 Method for evaporating polymer solutions of thermoplastic polymers
03/18/2003US6534560 Bioresorbable hydrogel compositions for implantable prostheses
03/13/2003WO2003021581A2 Storage medium for data
03/13/2003WO2003020805A1 Method for recycling polycarbonates
03/13/2003WO2003020795A1 Process for preparing polycarbonate
03/13/2003WO2003020794A1 Process for preparing polycarbonate
03/13/2003WO2003020793A2 Process for preparing polycarbonate
03/13/2003WO2003020483A1 Method for removing water and other volatile components from polymer powders
03/13/2003WO2002102875A3 Polymers comprising cf2o structural elements
03/13/2003US20030050496 Process for the preparation of diaryl carbonates
03/13/2003US20030050428 Method for impoving the adhesion stability of the surface of moulded parts consisting of synthetic material
03/13/2003US20030050427 Heating a mixture comprising an aromatic diol, at least one diaryl carbonate, and a catalyst containing a source of alkali or alkaline earth metal ions, atleast one quaternary ammonium compound, quaternary phosphonium compound or mixture
03/12/2003EP1290684A1 Vibration damping monolithic polymers
03/12/2003CN1402749A Method and apparatus for production of polycarbonates with brine recycling
03/12/2003CN1402748A Alkali metal salts of oxoacid of sulfur as catalysts for preparation of polycarbonates
03/12/2003CN1402747A Salts of chelating agent as polycarbonate polymerization catalyst
03/11/2003US6531566 Polyoxyalkylenepolyols and process for producing ring-opened polymer
03/06/2003WO2003018526A1 Method for producing diarylcarbonates
03/06/2003US20030045739 Catalyzing the reactions of carbonation, cyclization, decyclization, transesterification; preparing the intermediates for making polycarbonates
03/05/2003EP1288242A2 Polycarbonate, and molding and electrophotograpic photoreceptor prepared therefrom
03/05/2003EP1288241A1 Polycarbonate diol having high proportion of primary terminal oh
03/04/2003US6528612 Highly branched polycondensates
02/2003
02/26/2003EP1285027A1 Branched carbonate polymer composition
02/26/2003CN1398911A Prepn of polymer-synthesizing solution
02/25/2003US6525171 Process for producing a polycarbonate and method of cleaning a production unit
02/25/2003US6525163 Process for the production of polycarbonate
02/25/2003US6525109 Process of preparing polycarbonates using microwave
02/20/2003WO2003014188A1 Method for making polycarbonate
02/20/2003WO2003014187A1 Method for optimising the production of polycarbonate by means of melt transesterification
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