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Class Information
Number: 420/463
Name: Alloys or metallic compositions > Palladium base
Description: Alloy, or metallic composition containing over 50 percent of palladium by weight.










Sub-classes under this class:

Class Number Class Name Patents
420/464 Copper containing 38
420/465 Platinum containing 19


Patents under this class:
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Patent Number Title Of Patent Date Issued
4865663 High temperature shape memory alloys Sep. 12, 1989
4802933 Nickel-palladium based brazing alloys Feb. 7, 1989
4759906 Function alloy and method of producing the same Jul. 26, 1988
4735772 Palladium-cobalt alloys; manufacture of a root cap Apr. 5, 1988
4728580 Amorphous metal alloy compositions for reversible hydrogen storage Mar. 1, 1988
4719081 Palladium alloy for joining ceramics and method of use Jan. 12, 1988
4684416 Alloy with small change of electric resistance over wide temperature range and method of producing the same Aug. 4, 1987
4678636 Ductile brazing alloy containing reactive metals and precious metals Jul. 7, 1987
4663189 Ceramic multilayer electrical capacitors May. 5, 1987
4619810 Dental alloys for porcelain-fused-to-metal restorations Oct. 28, 1986
4591483 Noble metal alloys for dental uses May. 27, 1986
4589891 Hydrogen permeatin membrane, process for its manufacture and use May. 20, 1986
4579787 Material for low voltage current contacts Apr. 1, 1986
4576789 Grain-refined gold-free dental alloys for porcelain-fused-to-metal restorations Mar. 18, 1986
RE32005 Magnetic alloy having a low melting point Oct. 15, 1985
4539041 Process for the reduction of metallic compounds by polyols, and metallic powders obtained by this process Sep. 3, 1985
4539176 Low gold dental alloys Sep. 3, 1985
4539177 Dental alloys for porcelain-fused-to-metal restorations Sep. 3, 1985
4529835 Ceramic thick film circuit substrate Jul. 16, 1985
4526750 Non-staining palladium based dental alloy Jul. 2, 1985
4518439 Alloy with small change of electric resistance over wide temperature range and method of producing the same May. 21, 1985
4517156 Electrical resistant alloys having a small temperature dependence of electric resistance over a wide temperature range and a method of producing the same May. 14, 1985
4489039 Palladium-based alloy Dec. 18, 1984
4481045 High-coercive-force permanent magnet with a large maximum energy product and a method of producing the same Nov. 6, 1984
4468370 Electrical resistant alloys having a small temperature dependence of electrical resistance over a wide temperature range and a method of producing the same Aug. 28, 1984
4451639 Dental alloys for porcelain-fused-to-metal restorations May. 29, 1984
4448605 Ductile brazing alloys containing reactive metals May. 15, 1984
4447391 Brazing alloy containing reactive metals, precious metals, boron and nickel May. 8, 1984
4432794 Hard alloy comprising one or more hard phases and a binary or multicomponent binder metal alloy Feb. 21, 1984
4412970 Palladium based dental alloys Nov. 1, 1983
4399096 High temperature brazing alloys Aug. 16, 1983
4396577 Cobalt-palladium-silicon-boron brazing alloy Aug. 2, 1983
4387072 Novel palladium alloy and dental restorations utilizing same Jun. 7, 1983
4385029 Gold based compounds for electrical contact materials May. 24, 1983
4382909 Gold free alloys for firing on ceramic compositions May. 10, 1983
4350526 Palladium/silver alloy for use with dental procelains Sep. 21, 1982
4341846 Palladium boron plates by electroless deposition alloy Jul. 27, 1982
4336290 Palladium alloys for fusion to porcelain Jun. 22, 1982
4319877 Palladium-based dental alloy containing indium and tin Mar. 16, 1982
4261744 Palladium-based dental alloy containing indium and tin Apr. 14, 1981
4195988 Au-Pd-Cr Alloy for spark plug electrodes Apr. 1, 1980
4179288 Palladium base dental alloy Dec. 18, 1979
4179286 Silver free, low gold-noble metal alloys for firing of dental porcelain Dec. 18, 1979
4124382 Dental alloy for use in the adhesion of porcelain Nov. 7, 1978
4093453 Method of making an ordered alloy Jun. 6, 1978
4063937 Palladium-based alloy Dec. 20, 1977
4046561 Dental alloy of use in the adhesion of porcelain Sep. 6, 1977
4011075 Materials for tamping battery mix Mar. 8, 1977
3994718 Intermetallic compounds and metal purification Nov. 30, 1976

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