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Class Information
Number: 420/528
Name: Alloys or metallic compositions > Aluminum base
Description: Alloy, or metallic composition which contains over 50 percent of aluminum by weight.

Sub-classes under this class:

Class Number Class Name Patents
420/554 Cadmium, lead, or bismuth containing 42
420/529 Copper containing 91
420/550 Iron, cobalt, or nickel containing 130
420/542 Magnesium containing 112
420/548 Silicon containing 178
420/552 Titanium, zirconium, hafnium, vanadium, niobium, or tantalum containing 138
420/540 Zinc containing 61

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
4946647 Process for the manufacture of aluminum-graphite composite for automobile and engineering applications Aug. 7, 1990
4943413 Process for producing an aluminum/magnesium alloy Jul. 24, 1990
4926242 Aluminum-silicon alloy heatsink for semiconductor devices May. 15, 1990
4919187 Method for making additions to molten alloys and bodies molded from alloying metals Apr. 24, 1990
4917728 Aluminium alloy treatment Apr. 17, 1990
4911767 Corrosion-resistant aluminum-based alloys Mar. 27, 1990
4880462 Rapidly dissolving additive for molten metal method of making and method of using Nov. 14, 1989
4876185 Aluminum support for a photoconductive member Oct. 24, 1989
4865808 Method for making hypereutetic Al-Si alloy composite materials Sep. 12, 1989
4851192 Aluminum alloy for structures with high electrical resistivity Jul. 25, 1989
4842821 Producing titanium carbide Jun. 27, 1989
4832910 Aluminum-lithium alloys May. 23, 1989
4832911 Method of alloying aluminium May. 23, 1989
4820483 Process for the production of chromium-aluminum balls for adding chromium into molten aluminum baths Apr. 11, 1989
4816088 Method of raising the recrystallization temperature of aluminium and of its alloys Mar. 28, 1989
4812289 Oxide dispersion hardened aluminum composition Mar. 14, 1989
4808372 In situ process for producing a composite containing refractory material Feb. 28, 1989
4806307 Aluminum alloy with superior thermal neutron absorptivity Feb. 21, 1989
4798701 Method of synthesizing amorphous group IIIA-group VA compounds Jan. 17, 1989
4789607 Aluminum bearing alloy and two-layer bearing material having bearing layer of aluminum bearing alloy therein Dec. 6, 1988
4786467 Process for preparation of composite materials containing nonmetallic particles in a metallic matrix, and composite materials made thereby Nov. 22, 1988
4786469 Grain refining metals Nov. 22, 1988
4770697 Blanketing atmosphere for molten aluminum-lithium alloys or pure lithium Sep. 13, 1988
4761266 Controlled addition of lithium to molten aluminum Aug. 2, 1988
4752463 Method of producing hydrogen and material used therefor Jun. 21, 1988
4751086 Aluminum anode alloy Jun. 14, 1988
4749627 Brazing sheet and heat exchanger using same Jun. 7, 1988
4748001 Producing titanium carbide particles in metal matrix and method of using resulting product to grain refine May. 31, 1988
4731132 Oxide dispersion hardened aluminum composition Mar. 15, 1988
4726843 Aluminum alloy powder product Feb. 23, 1988
4721656 Electroplating aluminum alloys from organic solvent baths and articles coated therewith Jan. 26, 1988
4713111 Production of aluminum-SiC composite using sodium tetrasborate as an addition agent Dec. 15, 1987
4703339 Package having a heat sink suitable for a ceramic substrate Oct. 27, 1987
4689283 Amorphous silicon photoreceptor for electrophotography with Al-Mn alloy base Aug. 25, 1987
4672022 Radiation-sensitive printing plates with base which consists of an aluminum alloy having iron and manganese Jun. 9, 1987
4668470 Formation of intermetallic and intermetallic-type precursor alloys for subsequent mechanical alloying applications May. 26, 1987
4648901 Introducing one or more metals into a melt comprising aluminum Mar. 10, 1987
4635842 Process for manufacturing clad aluminum-lithium alloys Jan. 13, 1987
4631236 Process for manufacturing a device and extrusion billet for this Dec. 23, 1986
4626329 Corrosion protection with sacrificial anodes Dec. 2, 1986
4624705 Mechanical alloying Nov. 25, 1986
4623388 Process for producing composite material Nov. 18, 1986
4615735 Isostatic compression technique for powder metallurgy Oct. 7, 1986
4605438 Apparatus and method for forming a wear-resistant metal composition Aug. 12, 1986
4597792 Aluminum-based composite product of high strength and toughness Jul. 1, 1986
4595559 Process for the production of composite alloys based on aluminum and boron and product thereof Jun. 17, 1986
4592781 Method for making ultrafine metal powder Jun. 3, 1986
4559277 Ceramic and aluminum alloy composite Dec. 17, 1985
4556535 Production of aluminum-lithium alloy by continuous addition of lithium to molten aluminum stream Dec. 3, 1985
4532106 Mechanically alloyed dispersion strengthened aluminum-lithium alloy Jul. 30, 1985

1 2 3 4 5

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