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Class Information
Number: 420/579
Name: Alloys or metallic compositions > Arsenic base or selenium or tellurium base alloy containing metal
Description: Alloy, or metallic composition containing over 50 percent arsenic by weight, or an alloy under the class definition which is so named in the patent, which contains over 50 percent selenium, or 50 percent tellurium by weight and which further contains at least one element which is a metal under the definition of this class.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8679377 Gamma radiation source Mar. 25, 2014
7927516 Method for synthesis of colloidal nanoparticles Apr. 19, 2011
7056471 Ternary and quarternary nanocrystals, processes for their production and uses thereof Jun. 6, 2006
6875377 Gamma radiation source Apr. 5, 2005
6273969 Alloys and methods for their preparation Aug. 14, 2001
6180269 GaAs single crystal substrate and epitaxial wafer using the same Jan. 30, 2001
5705695 Quaternary Zintl composition (Et.sub.4 N).sub.4 [Au(Ag.sub.1-x Au.sub.x).sub.2 Sn.sub.2 Te.sub.9 ] Jan. 6, 1998
5523022 Semiconductor compound Jun. 4, 1996
5503475 Method for determining the carbon equivalent, carbon content and silicon content of molten cast iron Apr. 2, 1996
5474591 Method of synthesizing III-V semiconductor nanocrystals Dec. 12, 1995
5458867 Process for the chemical preparation of bismuth telluride Oct. 17, 1995
5427716 Compound semiconductors and semiconductor light-emitting devices using the same Jun. 27, 1995
5330708 Sulfide alloys that exhibit thermal bistability Jul. 19, 1994
5217750 Powder treatment process to control alloy fractionation Jun. 8, 1993
5128099 Congruent state changeable optical memory material and device Jul. 7, 1992
5126168 Preparation of group IIIA-VA compounds such as boron nitride, and of boron nitride films and coatings Jun. 30, 1992
5084301 Alloying and coating process Jan. 28, 1992
5075191 Process for controlling alloy fractionation Dec. 24, 1991
5035857 Processes for preparing chalcogenide alloys Jul. 30, 1991
5002734 Processes for preparing chalcogenide alloys Mar. 26, 1991
4904559 Processes for suppressing the fractionation of chalcogenide alloys Feb. 27, 1990
4863508 Process for the preparation of chalcogenide alloys by the solution oxidation of alkaline selenium and alkaline tellurium compounds Sep. 5, 1989
4859411 Control of selenium alloy fractionation Aug. 22, 1989
4855203 Imaging members with photogenerating compositions obtained by solution processes Aug. 8, 1989
4822712 Reduction of selenium alloy fractionation Apr. 18, 1989
4798701 Method of synthesizing amorphous group IIIA-group VA compounds Jan. 17, 1989
4756747 Synthesis of new amorphous metallic spin glasses Jul. 12, 1988
4721539 Large single crystal quaternary alloys of IB-IIIA-SE.sub.2 and methods of synthesizing the same Jan. 26, 1988
4707198 Amorphous alloy and production method thereof Nov. 17, 1987
4626296 Synthesis of new amorphous metallic spin glasses Dec. 2, 1986
4594264 Method for forming gallium arsenide from thin solid films of gallium-arsenic complexes Jun. 10, 1986
4588520 Powder pressed thermoelectric materials and method of making same May. 13, 1986
4585621 Vapor-deposited film of selenium or selenium alloy for electrophotography Apr. 29, 1986
4576634 Process for the preparation of chalcogenide alloys Mar. 18, 1986
4551303 Method of using an evaporation source Nov. 5, 1985
4484945 Process for preparation of chalcogenide alloys by solution coreduction of a mixture of oxides Nov. 27, 1984
4460408 Process for preparation of chalcogenide alloys by coreduction of esters Jul. 17, 1984
4447277 Multiphase thermoelectric alloys and method of making same May. 8, 1984
4447393 Oxide-free CdTe synthesis May. 8, 1984
4415642 Electrophotographic member of Se-Te-As with halogen Nov. 15, 1983
4414179 Process for making photoreceptors Nov. 8, 1983
4399097 Preparation of III-V materials by reduction Aug. 16, 1983
4192695 Metal crystals and process Mar. 11, 1980
4169755 Growth of crystalline rods of gallium arsenide in a crucible of specially treated fibrous silicon dioxide Oct. 2, 1979
4126457 Evaporation technique for producing high temperature photoreceptor alloys Nov. 21, 1978
4119704 Process for making gallium arsenide or phosphide Oct. 10, 1978
4116725 Heat treatment of cadmium mercury telluride and product Sep. 26, 1978
4097267 Purification and realloying of arsenic/selenium alloys Jun. 27, 1978
4097273 Arsenic/selenium recovery Jun. 27, 1978
4003741 Method of preparation of semiconducting compounds Jan. 18, 1977

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