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Class Information
Number: 204/157.63
Name: Chemistry: electrical and wave energy > Processes and products > Processes of treating materials by wave energy > Process or preparing desired organic product containing at least one atom other than carbon and hydrogen > Using ionizing radiation
Description: Subject matter wherein the chemical reaction is claimed or solely disclosed as being induced or effected by ionizing radiation.


Sub-classes under this class:

Class Number Class Name Patents
204/157.65 Carbocyclic ring containing product produced 14
204/157.64 Nitrogen, sulfur, phosphorous or silicon containing product produced 58


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7514480 Low level radiation treatment for improving polymer properties Apr. 7, 2009
7452922 Irradiated absorbent materials Nov. 18, 2008
7407617 Free radical polymerization method having reduced premature termination, apparatus for performing the method, and product formed thereby Aug. 5, 2008
7321034 Process for the physical depolymerization of glycosaminogylcanes and products obtained thereform Jan. 22, 2008
7183336 Irradiated absorbent materials Feb. 27, 2007
7091337 Process for the physical depolymerization of glycosaminoglycanes and products obtained therefrom Aug. 15, 2006
7037460 Free radical polymerization method having reduced premature termination, apparatus for performing the method, and product formed thereby May. 2, 2006
7022747 Method for creating microsphere polymers and particles Apr. 4, 2006
6908586 Free radical polymerization method having reduced premature termination, apparatus for performing the method and product formed thereby Jun. 21, 2005
6875862 Self-cross-linked alkyl cellulose and processes for producing the same Apr. 5, 2005
6692718 Method for preparing nano-size particulate graphite Feb. 17, 2004
6506712 Method of manufacturing a multifunctional additive and using the same Jan. 14, 2003
6504079 Terminally sterilized osteogenic devices and preparation thereof Jan. 7, 2003
6461630 Terminally sterilized osteogenic devices and preparation thereof Oct. 8, 2002
6432277 Method for reducing metal ion content in a chemical compound with a dipole moment Aug. 13, 2002
6414213 Titanium oxide particle-coated interior member or indoor equipment Jul. 2, 2002
6383344 Molecular weight reduction of polymer using irradiation treatment May. 7, 2002
6251579 Oxidative stabilization of collagen containing materials Jun. 26, 2001
6133500 Method and apparatus for the controlled reduction of organic material Oct. 17, 2000
6080282 Electrolytic solution for use as gel electrolyte and process for making the same Jun. 27, 2000
6043294 Method of and apparatus for optically enhancing chemical reactions Mar. 28, 2000
5900443 Polymer surface treatment with particle beams May. 4, 1999
5799257 Process for gamma ray induced degradation of polychlorinated biphenyls Aug. 25, 1998
5777292 Materials having high electrical conductivity at room teperatures and methods for making same Jul. 7, 1998
5777174 Process for preparing perfluoropolyethers with bromo- or iodo-containing end groups Jul. 7, 1998
5770826 Atomic beam alignment of liquid crystals Jun. 23, 1998
5728914 Method and apparatus for disposing of organic halogen compounds Mar. 17, 1998
5708246 Method of photocatalytic conversion of C-H organics Jan. 13, 1998
5705779 Preparation of 1,1,1,3,3-pentachloropropane by photochlorination of 1,1,1,3-tetrachloropropane Jan. 6, 1998
5619023 Process for the preparation of alkyl halodifluoroacetates Apr. 8, 1997
5616646 Restructuring silicone rubber to produce fluid or grease Apr. 1, 1997
5608197 Molecular processes and apparatus Mar. 4, 1997
5573832 Method for producing coated wood-based panels with rounded edges and panels obtained thereby Nov. 12, 1996
5505830 Biodegradable compostable plastic and method of making the same Apr. 9, 1996
5462781 Surface modified porous expanded polytetrafluoroethylene and process for making Oct. 31, 1995
5457269 Oxidizing enhancement electron beam process and apparatus for contaminant treatment Oct. 10, 1995
5449801 Reactive distillation process for free radical halogenation Sep. 12, 1995
5441612 Radiation-enhanced recovery of maltol Aug. 15, 1995
5437900 Surface modified porous expanded polytetrafluoroethylene and process for making Aug. 1, 1995
5431790 Method of crosslinking amino acid containing polymers using photoactivatable chemical crosslinkers Jul. 11, 1995
5430207 Process for degrading complex hydrocarbons to produce simpler hydrocarbons Jul. 4, 1995
5378531 Gamma radiation treated sheet material for use as orthopedic splints and casts and the like Jan. 3, 1995
5294314 Method of crosslinking amino acid containing polymers using photoactivatable chemical crosslinkers Mar. 15, 1994
5288376 Preparation of perfluorooligoether iodides Feb. 22, 1994
5250388 Production of highly conductive polymers for electronic circuits Oct. 5, 1993
5240574 Process for the photochemical production of halogen compounds Aug. 31, 1993
5229081 Apparatus for semiconductor process including photo-excitation process Jul. 20, 1993
5179188 Crosslinkable fluorinated aromatic ether composition Jan. 12, 1993
5104503 Photochemical dimerization of organic compounds Apr. 14, 1992
5051158 Process for preparing controlled molecular weight perfluoropolyethers having perfluoroalkyl or perfluorochloroalkyl end groups Sep. 24, 1991

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