Patents
Patents for C08G 2 - Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances (1,915)
03/2003
03/18/2003US6534685 Liquid mixture having cetane number higher than 40 comprising typical diesel gas oil cut having specified boiling point and density range, and specified concentration of one or more dialkyl-polyformal compounds
03/04/2003US6528553 Acrylated polyesteretherurethane, acrylate monomer, primary or secondary amine to prevent H2; coating material for optical fibers
02/2003
02/19/2003CN1398273A Method for prodn. of poly oxymethylenes
02/19/2003CN1397575A Mfg. method of polyacetal copolymer
02/13/2003WO2003011930A1 Novel polyacetal (co)polymers
02/13/2003WO2003011551A1 Method for in mold coating hydrogel articles
01/2003
01/23/2003US20030018104 Continuous processing; melt processing, cooling, pelletization
01/15/2003EP1275671A1 Polyoxymethylene copolymer and molded article thereof
01/14/2003US6506850 Obtained by heat treatment in presence of quaternary ammonium compound; gears, cams, automobile parts, television, videos, communications, optical disks
01/14/2003US6506838 Comprising a linear polymer of oxymethylene repeat units, blocked at one end by at least one terminal group selected from the group consisting of an alkylene oxide as an adduct to alcohol and an alkylene oxide as an adduct to carboxylic acid
01/09/2003US20030008397 Joining adhesive glycoprotein to solid support; generate solid support, incubate with glycoprotein, expose acetalaldehyde, expose to reducing agent, recover solid support
01/08/2003EP1273625A1 Branched polyacetal resin composition
01/08/2003EP1273624A1 Branched polyacetal resin composition
01/02/2003EP1270667A1 Branched polyacetal resin composition
01/02/2003EP1270629A1 Polyacetal copolymer
12/2002
12/19/2002WO2002100957A1 Low gloss free radical powder coatings
12/19/2002US20020193480 Branched polyacetal resin composition
12/19/2002US20020193469 Branched polyacetal resin composition
12/19/2002CA2447211A1 Low gloss free radical powder coatings
12/04/2002EP0988269B1 Method for producing formaldehyde from methanol
11/2002
11/28/2002US20020177685 Methods and materials for fabrication of alumoxane polymers
11/27/2002EP1259557A1 Method for production of polyoxymethylenes
11/14/2002US20020169277 Carried out at a temperature not higher than the solidifying point of the material for cement additive polymer
11/14/2002US20020169221 Utilizing the heat from the exothermic reaction of a special aromatic aldehyde polymer and formaldehyde rather than an external heating source; synergistic plasticizing; reduction of water use; kinetics
11/06/2002CN2519722Y Microsag products for catching free formaldehyde used in wooden artificial board
10/2002
10/23/2002CN1376181A 支化聚缩醛树脂组合物 Branched polyacetal resin composition
10/16/2002CN1092689C Thermoplastic resin composition and process for production thereof
10/16/2002CN1092675C Process for producing polyacetal copolymer
10/03/2002WO2002077049A1 Polyoxymethylene copolymer and molded article thereof
09/2002
09/25/2002EP1200498A4 Method and materials for fabrication of alumoxane polymers
09/11/2002CN1368992A Low-emission coloured polyoxymethylene moulding material
09/10/2002US6448448 Generation of the catalyst takes place spatially separate from the reactor and at a temperature greater than the dehydrogenation
08/2002
08/29/2002WO2002066455A1 A process for the separation of an aqueous mixture of trioxane and formaldehyde and corresponding applications
08/22/2002US20020115790 100 parts by weight of a polyoxymethylene polymer and 1-200 parts by weight of thermoplastic elastomer having a main dispersion peak temperature of -30 to +50 degree C. in a tan delta curve obtained by measurement of viscoelasticity
08/13/2002US6433128 Process for producing oxymethylene copolymer
08/07/2002EP1229005A2 Storage and/or transportation method of alkoxy (poly) alkylene glycol-containing materials
07/2002
07/30/2002US6426393 Copolymerizing trioxane with glycidyl ether/ester and ethylene glycol forming epoxy/actal resin having excellent shock resistance, rigidity, creep resistance, and heat resistance during molding; materials handling
07/10/2002CN1358216A 支化聚缩醛树脂组合物 Branched polyacetal resin composition
07/03/2002EP1219661A1 Block copolymer having polymer segment derived from oxazoline
07/03/2002EP1218447A1 Low-emission coloured polyoxymethylene moulding material
07/03/2002CN1357026A Polyacetal resin compsn.
07/03/2002CN1357016A Method of terminating oxymethylene polymerization
06/2002
06/27/2002US20020082362 For use in pharmaceutical and biomedical applications, stability; conjugates of polymers with drugs anticancer drugs used in cancer therapy
06/26/2002CN1355828A 支化聚缩醛树脂组合物 Branched polyacetal resin composition
06/20/2002WO2002048082A1 Process for removing methanol from formaldehyde-containing solutions
06/20/2002DE10062814A1 Verfahren zur Entfernung von Methanol aus formaldeyhdhaltigen Lösungen A process for the removal of methanol from solutions formaldeyhdhaltigen
06/19/2002EP1215245A1 Polyacetal resin composition
06/19/2002CN1354761A Polyacetal copolymer
06/06/2002WO2002044299A1 Energy-curable sealing material composition
06/06/2002WO2002044298A1 Photocurable sealing material composition
06/04/2002US6399836 Preparation of di-tertiary-peroxides
06/04/2002US6399699 Using boron trifluoride complex as polymerization catalyst
05/2002
05/29/2002CN1351003A Catalytic oxidizing process for preparing solid formaldehyde from methylal and air
05/14/2002US6388102 Catalytic dehydrogenation of methanol
05/14/2002US6388049 Molding materials; narrow molecular weight distribution
05/10/2002WO2002020663A3 Degradable polyacetal polymers
05/02/2002EP1200500A1 Method of terminating oxymethylene polymerization
05/02/2002EP1200498A1 Method and materials for fabrication of alumoxane polymers
04/2002
04/09/2002US6369183 Methods and materials for fabrication of alumoxane polymers
04/03/2002CN1342720A Conjugated polymer containing dibenzo-thiophene dioxide and its preparing process
04/02/2002US6365704 Copolymer of trioxane and compound with glycidyl groups
04/02/2002US6365655 Subjecting an oxymethylene copolymer having thermally unstable terminal groups to heat treatment in the presence of at least one quaternary ammonium compound for stabilization
03/2002
03/14/2002WO2002020663A2 Degradable polyacetal polymers
03/14/2002CA2453050A1 Degradable polyacetal polymers
03/13/2002EP1186620A1 Process for the preparation of thermally stable polyoxymethylene copolymers
03/13/2002CN1080731C Process for producing polyoxymethylene
02/2002
02/27/2002CN1337423A 聚缩醛树脂组合物 The polyacetal resin composition
02/07/2002US20020016395 Polyacetal block copolymer
02/07/2002DE10035961A1 Verfahren zum Beschichten von Substraten A process for coating substrates
01/2002
01/31/2002WO2002008346A1 Method for coating substrates
01/23/2002CN1078218C Process for preparing polyacetal copolymer
01/17/2002US20020007044 Process for producing oxymethylene
01/15/2002US6339175 Process for the non-oxidative preparation of formaldehyde from methanol
01/10/2002US20020004140 Photosensitivity
01/09/2002CN1330108A Polyacetal resin composite
01/02/2002EP1167409A1 Polyacetal copolymer and method for producing the same
01/02/2002CN1329648A Substance for bonding, coating and sealing, consisting of cyanoacrylates and aldehyde or ketone condensation products
12/2001
12/20/2001US20010053865 Process for the non-oxidative preparation of formaldehyde from methanol
12/05/2001EP1159362A1 Substance for bonding, coating and sealing, consisting of cyanoacrylates and aldehyde or ketone condensation products
12/04/2001CA2022837C Polyoxymethylene multi-copolymer and its resin composition
11/2001
11/28/2001EP1158010A1 Process for producing oxymethylene copolymer
11/21/2001CN1075080C Modified polyacetal and producing process thereof
11/07/2001EP1151988A1 Method for producing formaldehyde from methanol in a non-oxidating manner
11/06/2001US6313323 Trimerization of formaldehyde in the gas phase
10/2001
10/24/2001CN1319109A Polyoxymethylene copolymer and composition thereof
10/03/2001CN1315972A Low-molecular oxymethylene polymer and composition thereof
09/2001
09/12/2001EP1131359A2 Coupled peptides
09/12/2001EP1131167A1 Water-soluble coating agents bearing initiator groups and coating process
09/11/2001CA2198158C Acrolein - releasing copolymers
09/06/2001US20010020076 Polymerizing glyoxylic acid ester producing terminal-end-stabilized glyoxylic acid (salt)-based polymer
08/2001
08/29/2001EP1127903A1 Production process for glyoxylic acid (salt)-based polymer
08/29/2001CN1310732A Copolyacetal
08/16/2001WO2001058974A1 Method for production of polyoxymethylenes
08/16/2001DE10006037A1 Continuous production of polyoxymethylenes useful in copolymerization of trioxane and tetroxane monomers in the presence of cationic initiator with decreased foaming during degassing and reduced fine particle production on granulation
08/01/2001EP1120431A1 Copolyacetal
07/2001
07/25/2001CN1304943A Modified formaldehyde polymer
07/10/2001CA2046945C Process to reduce propenyl polyethers in hydroxy-functional polyethers
07/03/2001US6255440 Copolyacetal
06/2001
06/28/2001US20010005768 Reacting a tertiary hydroperoxide and a tertiary alcohol in presence of mono-sulfonated aromatic ring containing acid catalyst to form di-tertiary-peroxide
06/27/2001EP1109780A1 Method for the non-oxidative production of formaldehyde from methanol
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