Patents for C08G 64 - Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule (9,881)
07/2001
07/24/2001US6265526 System and process for producing polycondensation polymer
07/24/2001US6265525 Method and device for manufacturing polycarbonate
07/24/2001US6265524 Process for the preparation of aromatic polycarbonate
07/24/2001US6265523 Subjecting aromatic dihydroxy compound, aliphatic dihydroxy compound and carbonic diester to polycondensation under heating and melting, wherein aliphatic dihydroxy compound having nitrogen content of 10 ppm or lower is used
07/24/2001US6265072 UV-stabilized polymeric structures
07/19/2001WO2001051541A1 Polycarbonate substrates
07/19/2001US20010008924 Reacting urethane linked, cyclocarbonate-containing, hydroxyl-containing intermediate molecules with diamine molecules
07/19/2001DE10001036A1 Polycarbonat-Substrate Polycarbonate substrates
07/18/2001CN1068611C Process for preparation of thermoplastic polycarbonate
07/18/2001CN1068610C The use of hydrogenated abietic acid as a chain terminator for production of polycarbonates
07/17/2001US6262219 Method for producing polycarbonate
07/17/2001US6262218 Melt polymerizing reaction mixture comprising diaryl carbonate and dihydric phenol and monofunctional endcapping agent to produce endcapped polycarbonate
07/17/2001US6262127 Polymeric matrices and their uses in pharmaceutical compositions
07/12/2001WO2001049772A1 A continuous process for the preparation of copolycarbonate resins
07/11/2001EP1113848A1 Method for evaporating polymer solutions of thermoplastic polymers
07/11/2001CN1303404A System and process for producing polycondensation polymer
07/11/2001CN1303030A Photoelectric conductor for electrophotography
07/11/2001CN1302694A Process for preparing zinc bicarboxylate catalyst
07/10/2001US6258922 Process for producing polycarbonate and optical-disk substrate
07/10/2001US6258499 Electrophotographic photoreceptor, an image forming method, an image forming apparatus, and an apparatus unit
07/05/2001WO2001048059A1 Polycarbonate isolation through homogenization devolatization
07/05/2001US20010007014 Horizontal cylindrical agitation reactors provided with agitation blades successively linked without agitator center shaft
07/04/2001EP1113704A2 Diaphragm for a speaker unit
07/04/2001EP1112771A1 Filter device for polycarbonate and production method for polycarbonate
07/04/2001CN1302311A Process for producing polycarbonate
07/04/2001CN1068012C Process for production of thermoplastic polycarbonate
07/03/2001US6255439 Compounds prepared from cashew nut shell liquid; used to prepare polycarbonates
07/03/2001US6255438 Phenolic compounds, polymers derived therefrom, and method
07/03/2001US6255437 Polycarbonate useful as molding resin, having excellent weatherability for outdoor applications and low birefringence needed for compact discs
07/03/2001US6255436 Aromatic polycarbonate
07/03/2001US6255435 Method of crystallizing polycarbonate prepolymer
07/03/2001US6255430 Polysilanes and process for preparation of same
06/2001
06/28/2001WO2001046103A1 (hydroxyalkyl)phenols, method for their preparation, and uses thereof
06/28/2001WO2001046100A1 Method for producing phosphonium phenolates
06/28/2001US20010005765 Method for producing phosphonium phenolates
06/27/2001EP1111012A1 Coating powders comprising macrocyclic oligomers
06/27/2001EP1111007A2 Moldable polyalkylene carbonate compositions
06/27/2001EP1110260A1 Polymerizable compound, solid polymer electrolyte using the same and use thereof
06/27/2001EP1109770A1 A method for preparing bisphenol a
06/26/2001US6252036 Melt processability
06/26/2001US6252035 Salts of chelating agents as polymerization catalysts
06/26/2001US6252034 Melt condensation; sealed system
06/26/2001US6252013 Melt processability
06/21/2001WO2001044346A1 Polyether carbonates
06/21/2001DE19961520A1 Phosphonium phenolate compounds,useful as catalysts for the production of polycarbonate, are prepared by crystallization of the product from the phosphonium halide and phenol reaction mixture.
06/21/2001DE19960776A1 Polyethercarbonate Polyethercarbonates
06/21/2001CA2328628A1 Moldable compositions
06/20/2001CN1300302A UV-stabilized and other modified polycarbonates and method of making same
06/19/2001US6248860 Before becoming cross-linked, comprised alkylene carbonate units having substituents with terminal moieties selected from the group consisting of terminal alkenyl moieties and trialkoxysilane moieties.
06/19/2001US6248859 Polycarbonates suitable for use in optical article
06/19/2001US6248858 Method for conducting solid state polymerization of polycarbonates
06/19/2001CA2232427C Method for producing an aromatic polycarbonate
06/14/2001WO2001042337A1 Method for preparing polyether copolymers with polycarbonates and polyarylates
06/13/2001EP1106641A2 Process for producing aromatic-aliphatic copolycarbonate
06/13/2001EP1105432A1 Highly pure polycarbonates and method for producing same
06/13/2001DE19959191A1 Copolymerization of carbon dioxide with comonomers, especially to produce polypropylene carbonate, comprises supplying the carbon dioxide so that the pressure increases continuously
06/13/2001DE19959190A1 Production of a polyalkylene carbonate additive, e.g. for lowering the processing temperature of polymers, comprises producing a polyalkylene carbonate without removing the initiator
06/12/2001US6245878 Process for producing polycarbonate
06/07/2001WO2001040352A1 Aromatic polycarbonate, process for producing the same, and molded article
06/06/2001CN1298419A Method for removing volatile components from polymer solutions
06/06/2001CN1066705C Process for purification of bisphenol
05/2001
05/31/2001WO2001038419A1 Method and apparatus for the production of polycarbonates with brine recycling
05/31/2001WO2001038418A1 Salts of chelating agents as polycarbonate polymerization catalysts
05/31/2001US20010002418 Process for producing aromatic-aliphatic copolycarbonate
05/30/2001CN1297461A Curable composition and cured article thereof
05/30/2001CN1297008A Use of polymer in flexible silk-screen printing ink
05/25/2001WO2001036511A1 Method for producing polycarbonate
05/23/2001EP1102126A1 Electrophotographic photoconductor
05/23/2001EP1100841A1 Optical quality copolycarbonates containing polyoxyalkylene carbonate units
05/17/2001DE19954787A1 Verfahren zur Herstellung von Polycarbonat A process for the production of polycarbonate
05/16/2001CN1295590A Polycarbonate and optical material
05/16/2001CN1295589A Branched polycarbonate produced by reactive extrusion
05/15/2001US6232432 Process for the preparation of polycarbonates
05/15/2001US6232349 And polycarbonates, polyesters or polyamides water-soluble, with a rigid backbone and predictable anion spacing
05/10/2001WO2001032778A1 Polycarbonate substrates
05/10/2001WO2001032754A1 Polycarbonate substrates
05/10/2001WO2001032748A1 Solid particles
05/10/2001WO2001032747A1 Optical data carriers and method for producing the same
05/10/2001WO2001032746A1 Method of producing polycarbonates
05/10/2001WO2001032745A1 Polycarbonate resin and process for producing the same
05/10/2001WO2001032744A1 Polycarbonates suitable for use in optical articles
05/10/2001DE19953301A1 Feste Partikel Solid particles
05/10/2001DE19952851A1 Polycarbonat-Substrate Polycarbonate substrates
05/10/2001DE19952850A1 Polycarbonat-Substrate Polycarbonate substrates
05/10/2001DE19952849A1 Optische Datenträger und Verfahren zu ihrer Herstellung Optical media and processes for their preparation
05/10/2001DE19952848A1 Verfahren zur Herstellung von Polycarbonaten A process for the preparation of polycarbonates
05/09/2001EP1097956A1 Low endocrine disruptor polycarbonate resin
05/09/2001CN1294606A Process for producing aromatic polycarbonate
05/09/2001CN1065549C Preparing method of polycarbonate
05/09/2001CN1065548C Method for mfg. polycarbonate
05/08/2001US6228973 Method for preparing high molecular weight polycarbonate
05/02/2001EP1095960A1 System and process for producing polycondensation polymer
05/02/2001EP1095957A1 Process for producing aromatic polycarbonate
05/02/2001EP1094873A1 Method for isolating polymers from solutions
05/01/2001USRE37160 Synthesis of tyrosine derived diphenol monomers
05/01/2001US6225436 Polycarbonate preparation process
04/2001
04/26/2001WO2001029135A1 Polycarbonate resin composition
04/25/2001EP1094101A2 Electroluminescent devices having naphthylanthracene-based polymers
04/25/2001CN1292806A Method for producing liquid formulation of tetraphenylphosphonium phenolate
04/24/2001US6222004 Moldability in blow molding; appearance and color tone
1 ... 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 ... 99