| Patents for C08G 64 - Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule (9,881) |
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| 08/17/1994 | EP0610912A2 Polycarbonate polymer derived from dihydroxy compound having triphenylamine structure and process for producing the same |
| 08/17/1994 | EP0610885A1 Electrophotographic photosensitive member, image forming method using same |
| 08/17/1994 | EP0610718A2 Method for ring opening polymerization and enzyme catalyst for it |
| 08/09/1994 | US5336751 Improved melt flow and high thermal stability |
| 08/09/1994 | US5336750 Process for the preparation of polycarbonates |
| 08/04/1994 | WO1994017148A1 Automotive refinish primer surfacer |
| 08/03/1994 | EP0608778A2 (Co)Polycarbonate and process for producing the same |
| 08/03/1994 | EP0608493A2 Aromatic polycarbonate copolymer, a process for producing the same, and a plastic optical waveguide using the same |
| 08/03/1994 | CN1090296A Process for producing (CO)polycarbonate |
| 08/03/1994 | CN1090295A Process for the preparation of polycarbonates |
| 08/03/1994 | CN1025567C Mixtures of special new polycarbonates with other thermoplastics or with elastomers |
| 08/02/1994 | US5334699 Polymeric initiator compounds |
| 07/20/1994 | EP0606722A1 Heterocyclic bis(4-hydroxyphenyl)cycloalkanes and polycarbonates prepared therefrom |
| 07/20/1994 | EP0505473B1 Ester hydrolysis and depolymerization of polyester and polycarbonate polymers |
| 07/20/1994 | CN1089627A Preparation of carbonic acid esters from dihydroxydiphenylcycloalkane |
| 07/19/1994 | US5331085 Method for increasing viscosity uniformity in polycarbonate manufacture |
| 07/13/1994 | EP0606096A1 OO-t-alkyl O-polycaprolactone monoperoxycarbonates |
| 07/12/1994 | CA1330631C Electrophotographic element |
| 07/08/1994 | CA2103333A1 Oo-t-alkyl o-polycaprolactone monoperoxycarbonates |
| 07/07/1994 | WO1994014760A1 Copolymerizable ultraviolet radiation absorbing coumpounds and polymers made therewith |
| 07/06/1994 | CN1088946A Process for the preparation of polycarbonate |
| 07/05/1994 | US5326799 UV screening agents for polycarbonateester copolymers |
| 06/29/1994 | EP0604056A2 Bis[4'-(4-hydroxyphenyl)-phenyl]alkanes and polycarbonates prepared therefrom |
| 06/29/1994 | EP0603664A2 Preparation of blend systems by condensation of oligocarbonates in the presence of mass-ABS |
| 06/29/1994 | EP0340262B1 Semi-permeable membranes with an internal discriminating region |
| 06/29/1994 | CN1088593A Process for the preparation of polycarbonates |
| 06/28/1994 | US5324809 Melt catalytic preparation of copolymeric polycarbonate from hydroquinone |
| 06/23/1994 | WO1994014203A1 Electrode membrane |
| 06/23/1994 | WO1994007937A3 Partially-fluorinated polymers |
| 06/22/1994 | EP0602874A1 1,3-Bis(4-hydroxyphenyl)-1,3-dialkylcyclohexanes and polycarbonates prepared therefrom |
| 06/22/1994 | EP0338085B1 Process for preparing crystallized aromatic polycarbonate and crystallized aromatic polycarbonate obtained by the process |
| 06/21/1994 | US5322919 Process for producing a polycarbonate in inert solvent |
| 06/16/1994 | DE4241619A1 Polycarbonate prepn. by interfacial polycondensation - with phosgenation of an aq. soln. of bisphenol in three stage reaction and feeding back aq. reaction phase to first step |
| 06/15/1994 | EP0601602A2 Process for producing (co)polycarbonate |
| 06/15/1994 | EP0601417A2 Physiologically compatible and degradable polymer-based carbohydrate receptor blockers, a method for their preparation and their use |
| 06/14/1994 | US5321116 Process for preparing random copolycarbonate |
| 06/14/1994 | US5321115 Phenolic endcapped oligomers; coupling catalyst; heat resistance |
| 06/14/1994 | US5321112 Dihydroxy cyano acrylate compound incorporated into polyesters, polyurethanes and polycarbonates |
| 06/12/1994 | CA2111129A1 Physiologically tolerated and physiologically degradable polymer-based carbohydrate receptor blocker, a process for its preparation and its use |
| 06/09/1994 | WO1994012558A1 Process for producing polymer |
| 06/09/1994 | DE4240588A1 Rapid poly-condensn. of oligo:carbonate(s) to high mol. wt. polycarbonate(s) - by passing the oligo:carbonate together with inert gas through a heated tube of specified dimensions, etc |
| 06/09/1994 | DE4240587A1 Prepn of aromatic polycarbonate from di:phenol and di:aryl carbonate, in melt - in presence of catalyst, with passage of large current of inert gas through melt |
| 06/09/1994 | DE4240314A1 Prepn of polycarbonate(s) by melt esterification, by degrading polycarbonate from di:phenol - using quat. ammonium or phosphonium cpd as catalyst, prepn. of oligo:carbonate and polycondensation |
| 06/09/1994 | DE4240313A1 Improved flow polycarbonate(s) for optical data carriers - having Tg 140 deg. C or above and specified melt viscosity |
| 06/08/1994 | EP0600447A2 Aromatic polycarbonate and production method thereof |
| 06/08/1994 | EP0600417A1 Ring-opening of a cyclic carbonate and the resulting products |
| 06/08/1994 | EP0599886A1 Macromonomers having reactive end groups |
| 06/07/1994 | US5319149 Produce ductile polycarbonates with high glass transition temperatures |
| 06/07/1994 | US5319066 Melt condensation of diaryl carbonate and aromatic bis hydroxy compound in presence of guanidine catalyst, removing catalyst under reduced pressure |
| 06/07/1994 | US5319065 Emulsifying polycarbonate oligomer obtained by reacting aromatic dihydroxy compound and phosgene after adding phenolic modifier in stand still state |
| 06/07/1994 | US5318827 Carbonate polymer laminate structure |
| 06/07/1994 | CA1330095C Flame-proof polycarbonates containing units deriving from halogenated macrocyclic compounds |
| 06/02/1994 | CA2110359A1 Ring-opening of a cyclic carbonate and the resulting products |
| 06/01/1994 | EP0599540A1 Polycarbonate-titanium dioxide compositions |
| 06/01/1994 | DE4241150C1 Elektrodenmembran-Verbund, Verfahren zu dessen Herstellung sowie dessen Verwendung Electrode membrane composite, method for its production and its use |
| 05/31/1994 | US5317083 Process for isolating polycarbonates from their solutions with tube having cross sectional contrictions |
| 05/31/1994 | US5317077 Polyarylates containing derivatives of the natural amino acid l-tyrosine |
| 05/26/1994 | DE4239131A1 Thermoplastic aromatic polycarbonate prodn. - by interfacial method in two consecutive reactors with partial recirculation of aq. phase for direction formation and maintenance of oil-in-water emulsion |
| 05/24/1994 | US5314985 Fluoride catalyst, nonhydrolyzing |
| 05/24/1994 | US5314970 OO-t-alkyl O-polycaprolactone monoperoxycarbonates |
| 05/20/1994 | CA2083326A1 Process for preparing anhydride-terminated thermoplastic polymers |
| 05/19/1994 | DE4238123A1 Thermoplastic polycarbonate prodn with low content of branched polymer - by two-stage melt-transesterification and polycondensation of di:phenol(s) and di:aryl carbonate(s) with quat. ammonium or phosphonium catalysts, for optical applications |
| 05/18/1994 | EP0597128A1 Ester polymer, production thereof, and electrophotographic photoreceptor made therefrom |
| 05/17/1994 | US5312962 Water activated crosslinking agents for plastics |
| 05/17/1994 | US5312890 Polycarbonate compositions comprising bisphosphine oxide monomer |
| 05/17/1994 | US5312889 Hydroxyfatty-acid-based monomers for producing plastics |
| 05/11/1994 | EP0596391A1 Aromatic polycarbonate, a method for producing the same, and a plastic optical waveguide using the same |
| 05/11/1994 | EP0596206A1 Method of preparing chloroformiate compounds |
| 05/11/1994 | EP0596129A1 Phase difference compensation film |
| 05/10/1994 | US5310841 Monomers from diallyl carbonate and cyclohexanedimethanol transesterification product |
| 05/10/1994 | US5310793 Mixtures of polyalkylene terephthalates, new polycarbonates and/or polyester-carbonates and elastomers |
| 05/04/1994 | EP0595608A1 Redistribution of organic polycarbonate compositions |
| 05/04/1994 | EP0595141A1 A polycarbonate-polyorganosiloxane copolymer and a resin composition |
| 05/03/1994 | US5308489 Blends of polyether copolycarbonates and high molecular weight film-forming thermoplastics |
| 04/27/1994 | EP0594175A1 Process for producing aromatic polycarbonate |
| 04/26/1994 | US5306832 Heterocyclic bis(4-hydroxyphenyl(cycloalkanes and polycarbonates prepared therefrom |
| 04/26/1994 | US5306807 Process for isolating polymer resins from solutions |
| 04/26/1994 | US5306803 Process for cleaning thermoplasts by friction compacting |
| 04/26/1994 | US5306802 Containing repeating units derived from bisphenol A and tetrahalobisphenol A, with trihalophenol end groups |
| 04/26/1994 | US5306801 Catalytic melt preparation of polycarbonate with subsequent addition of sulfonic acid compound |
| 04/20/1994 | EP0592900A2 Process for the preparation of polycarbonates by melt-polycondensation |
| 04/14/1994 | WO1994008269A1 Nlo side chain polymers having low optical loss |
| 04/14/1994 | WO1994007937A2 Partially-fluorinated polymers |
| 04/14/1994 | CA2146341A1 Nlo side chain polymers having low optical loss |
| 04/13/1994 | EP0591962A2 Polycarbonate copolymer and process for producing the same |
| 04/13/1994 | EP0591762A1 Process for the preparation of polycarbonates and polyestercarbonates |
| 04/13/1994 | EP0309503B1 Spiro(bis)indane copolyamides and method for their preparation |
| 04/12/1994 | US5302670 Reacting an unsaturated or hydroxyl-group containing natural fatty acid or ester with a bifunctional ester- or amide-forming compound to produce a monomer |
| 04/05/1994 | US5300699 Oxygen-free heat treatment to prevent coloration; purification |
| 04/05/1994 | US5300624 Phosgenating mixture of bisphenols containing tetrahalobisphenols in presence of phase transfer catalyst and tertiary organic amine |
| 04/05/1994 | US5300623 Method for making polycarbonate substantially free of diaryl carbonate |
| 04/05/1994 | US5300622 Polycarbonate from heterocyclic bis(4-hydroxyphenyl)cycloalkane |
| 04/05/1994 | US5300392 Imaging member with polycarbonate obtained from cyclic oligomers |
| 03/15/1994 | US5294675 A-C copoly;hydroformylation |
| 03/15/1994 | US5294356 Lubricant and refrigerant additives |
| 03/08/1994 | US5292809 Blends of polycarbonate containing fluorinated-bisphenol A and polymethyl methacrylate |
| 03/08/1994 | US5292589 Laminates of wholly aromatic liquid crystalline polymers containing ionic monomer units |
| 03/03/1994 | WO1994004593A1 Polyarylates containing derivatives of the natural amino acid l-tyrosine |
| 03/03/1994 | WO1994004250A1 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures |
| 03/02/1994 | EP0584801A2 Aromatic polycarbonate resins and process for the preparation thereof |