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Class Information
Number: 264/434
Name: Plastic and nonmetallic article shaping or treating: processes > Direct application of electrical or wave energy to work (e.g., electromagnetic wave, particulate, magnetic, induction heat, sonic, electrostatic energy, etc.) > Producing or treating inorganic material, not as pigments, conductive enhancers, or fillers (e.g., ceramic, refractory material, etc.) > Including vitrifying or sintering (e.g., fusing, firing, burning, etc.)
Description: Processes wherein the inorganic material thereof is subjected to temperatures sufficiently high (with or without pressure) which causes said material to, at least partially, coalesce or fuse.

Patents under this class:
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Patent Number Title Of Patent Date Issued
6264875 Preparation of multi-purpose magnetized and sintered ceramics Jul. 24, 2001
6254819 Forming channel members for ink jet printheads Jul. 3, 2001
6217816 Method for rapid forming of a ceramic work piece Apr. 17, 2001
6200515 One-step synthesis and consolidation of nanophase materials Mar. 13, 2001
6197243 Heat distribution ceramic processing method Mar. 6, 2001
6168746 Injection molding of ferroelectric articles Jan. 2, 2001
6117612 Stereolithography resin for rapid prototyping of ceramics and metals Sep. 12, 2000
6063323 Process and installation for making extruded sintered ceramic artifact May. 16, 2000
6024909 Coated ceramic particles, a ceramic-base sinter and a process for producing the same Feb. 15, 2000
5940674 Three-dimensional product manufacture using masks Aug. 17, 1999
5932524 Method of manufacturing superconducting ceramics Aug. 3, 1999
5911941 Process for the preparation of thick-walled ceramic products Jun. 15, 1999
5870663 Manufacture and use of ZrB.sub.2 /CU composite electrodes Feb. 9, 1999
5866059 Polycrystalline BCN substance and method of producing same Feb. 2, 1999
5858299 Process for consolidating particulate solids Jan. 12, 1999
5852766 Method for accurate replication of shaped articles using sinterable powders Dec. 22, 1998
5852248 Method for accurate replication of shaped articles using sinterable powders Dec. 22, 1998
5849055 Process for producing inorganic microspheres Dec. 15, 1998
5837632 Method for eliminating porosity in micropyretically synthesized products and densified Nov. 17, 1998
5808282 Microwave sintering process Sep. 15, 1998
5752155 Green honed cutting insert and method of making the same May. 12, 1998
5730869 Porous ceramic filter Mar. 24, 1998
5728195 Method for producing nanocrystalline multicomponent and multiphase materials Mar. 17, 1998
5725825 Method of producing piezoelectric element Mar. 10, 1998
5720917 Manufacturing method for silicon nitride-based sintered body Feb. 24, 1998
5701577 Forming process utilizing liquid absorption by liquid-absorbing substance, and formed material produced by said process Dec. 23, 1997
5698156 Method of producing a silicon nitride based sintered body Dec. 16, 1997
5698485 Process for producing ceramic microstructures from polymeric precursors Dec. 16, 1997
5639402 Method for fabricating artificial bone implant green parts Jun. 17, 1997
5639070 Method for producing parts by selective sintering Jun. 17, 1997
5624625 Process for the preparation of ceramic materials free from auto-adhesion under and during aging Apr. 29, 1997
5609815 Process for fast manufacturing of carbonaceous products Mar. 11, 1997
5568652 Rapid setting compositions and method of making and using same Oct. 22, 1996
5554335 Process for engraving ceramic surfaces using local laser vitrification Sep. 10, 1996
5453225 Method of making a composite refractory material Sep. 26, 1995
5406058 Apparatus for drying ceramic structures using dielectric energy Apr. 11, 1995
5388345 Dielectric drying of metal structures Feb. 14, 1995
5386006 Shape sintered articles derived from boro-containing polysilazanes Jan. 31, 1995
5382405 Method of manufacturing a shaped article from a powdered precursor Jan. 17, 1995
5380409 Field-assisted combustion synthesis Jan. 10, 1995
5368791 Method of producing patterned shaped article Nov. 29, 1994
5348694 Method for electroconsolidation of a preformed particulate workpiece Sep. 20, 1994
5340514 Method for preparing pottery products containing shirasu balloons Aug. 23, 1994
5340510 Method for making piezoelectric ceramic/polymer composite transducers Aug. 23, 1994
5321223 Method of sintering materials with microwave radiation Jun. 14, 1994
5302306 Process for preparing polycrystalline ferrite materials and composites containing them Apr. 12, 1994
5298204 Method of burning out polycarbonate patterns from ceramic molds Mar. 29, 1994
5296008 Method for manufacturing a cutting tool insert made of a silicon nitride body Mar. 22, 1994
5266762 Method and apparatus for radio frequency ceramic sintering Nov. 30, 1993
5240691 High density crystalline boron prepared by hot isostatic pressing in refractory metal containers Aug. 31, 1993

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