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Class Information
Number: 523/137
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Processes of preparing a desired or intentional composition of at least one nonreactant material and at least one solid polymer or specified intermediate condensation product, or product thereof > Electromagnetic wave absorbing composition or process of preparing (excludes visible, ir or uv portions of spectrum)
Description: Subject matter wherein a composition which absorbs electromagnetic waves (excluding the visible, IR or UV portions, of the electromagnetic spectrum) is claimed or solely disclosed or to processes of preparation thereof.


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7417078 Electromagnetic wave absorbing thermally conductive composition and thermosoftening electromagnetic wave absorbing heat dissipation sheet and method of heat dissipation work Aug. 26, 2008
7397414 Electromagnetic wave absorption complex, and method of producing the same Jul. 8, 2008
7384576 Lead-free mixture as a radiation protection additive Jun. 10, 2008
7344658 Radiation protector and utilization thereof Mar. 18, 2008
7250454 Conductive nanocomposite films Jul. 31, 2007
7238734 Optical filters from nanocomposites Jul. 3, 2007
7205045 Devices for calibrating optical scanners and methods of using the same Apr. 17, 2007
7063809 Flame-retardant and electromagnetic interference attenuating thermoplastic resin composition Jun. 20, 2006
7030172 Electromagnetic wave absorbing compositions Apr. 18, 2006
7022265 Polyamide resin compositions with electromagnetic interference shielding properties and articles formed therefrom Apr. 4, 2006
7012125 Spin-on-glass anti-reflective coatings for photolithography Mar. 14, 2006
7012111 High-specific-gravity EPDM composition, dynamic damper made from the composition, tennis racket with the dynamic damper, and radiation-shielding material comprising the composition Mar. 14, 2006
6956097 Spin-on-glass anti-reflective coatings for photolithography Oct. 18, 2005
6933331 Nanotechnology for drug delivery, contrast agents and biomedical implants Aug. 23, 2005
6921780 Non-silicone conductive paste for the electrical industry, and its use Jul. 26, 2005
6919387 Electromagnetic wave absorber, method of manufacturing the same and appliance using the same Jul. 19, 2005
6911254 Infrared absorbing compositions and laminates Jun. 28, 2005
6890971 Method for making radiation absorbing material (RAM) and devices including same May. 10, 2005
6890970 Thermal conductive material and method for producing the same May. 10, 2005
6824879 Spin-on-glass anti-reflective coatings for photolithography Nov. 30, 2004
6797744 Radio wave absorber composition Sep. 28, 2004
6794424 Devices for calibrating optical scanners and methods of using the same Sep. 21, 2004
6743832 Thermosetting resin compostition of a radically curable resin mixture and carbon fibre Jun. 1, 2004
6740260 Tungsten-precursor composite May. 25, 2004
6737159 Controlling solar radiation in safety glass laminates May. 18, 2004
6699442 Visible light pH change for activating polymers and other pH dependent reactants Mar. 2, 2004
6627299 Controlled color laser marking of plastics Sep. 30, 2003
6613975 Member for assembling radio wave absorber and method of producing radio wave absorber Sep. 2, 2003
6548570 Method for manufacturing a radiation shielding material Apr. 15, 2003
6521688 Laser-markable plastics Feb. 18, 2003
6506497 Spin-on-glass anti-reflective coatings for photolithography Jan. 14, 2003
6503964 Polymer composition with metal coated carbon flakes Jan. 7, 2003
6503963 Radiowave absorbent and manufacturing method thereof Jan. 7, 2003
6399675 Electrically conductive microgel and method for preparing the same Jun. 4, 2002
6355707 Coating material for shielding electromagnetic waves Mar. 12, 2002
6350843 Epoxy resin low electronic impedance high molecular polymer Feb. 26, 2002
6303671 Polyanilines having magnetic and electrical properties, and a method of manufacture Oct. 16, 2001
6265466 Electromagnetic shielding composite comprising nanotubes Jul. 24, 2001
6228904 Nanostructured fillers and carriers May. 8, 2001
6214917 Laser-markable plastics Apr. 10, 2001
6214916 Composition for laser marking Apr. 10, 2001
6204301 Fluoroplastic composites and a process for producing the same Mar. 20, 2001
6153665 Doped polymer sheeting for covering hotbeds and greenhouses and method of fabrication of such Nov. 28, 2000
6111551 Housing with radar-absorbent properties Aug. 29, 2000
6063303 Magnetic powder and magnetic molded article May. 16, 2000
6051679 Self-acid-doped highly conducting polythiophenes Apr. 18, 2000
6048601 Soft magnetic alloy powder for electromagnetic and magnetic shield, and shielding members containing the same Apr. 11, 2000
6028134 Thermoplastic resin composition having laser marking ability Feb. 22, 2000
5989720 Electromagnetic wave shield material composition and electromagnetic wave shield product including such material composition Nov. 23, 1999
5922435 Ceramic polymer composite dielectric material Jul. 13, 1999

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