Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Material Science
Class Information
Number: 420/18
Name: Alloys or metallic compositions > Ferrous (i.e., iron base) > 1.7 percent or more carbon containing > 2.7 percent or more carbon equivalent containing (i.e., cast iron) > Processes of adding magnesium
Description: Processes of preparing an alloy or metallic composition wherein magnesium is added to the alloy or metallic composition.










Sub-classes under this class:

Class Number Class Name Patents
420/19 Adding magnesium as a liquid, vapor or as a solid agent entrained by gas (e.g., fluidized) 20
420/20 Flowing molten iron alloy onto solid magnesium containing agent, or adding solid magnesium containing agent to molten stream of iron alloy 32
420/25 In agent also containing silicon, rare earth, or alkaline earth metal 24
420/23 Magnesium containing agent is coated, impregnated, or compacted (e.g., briquetted, coated particles) 27
420/24 Magnesium present in agent only as a compound with a nonmetal 3
420/21 Mechanically plunging magnesium containing agent below surface of iron alloy melt 19
420/22 Separate addition of plural agents, at least one containing magnesium 19


Patents under this class:

Patent Number Title Of Patent Date Issued
8557176 Method for influencing the properties of cast iron Oct. 15, 2013
8486329 Process for production of semisolidified slurry of iron-base alloy and process for production of cast iron castings by using a semisolidified slurry Jul. 16, 2013
8012410 High silicon niobium casting alloy and process for producing the same Sep. 6, 2011
7846381 Ferritic ductile cast iron alloys having high carbon content, high silicon content, low nickel content and formed without annealing Dec. 7, 2010
7824605 As-cast carbidic ductile iron Nov. 2, 2010
6533998 Process for producing nodular cast iron, and casting produced using this process Mar. 18, 2003
6345910 Method of determining the magnesium content in molten aluminum alloys Feb. 12, 2002
6102981 Method for controlling the composition of a cast iron melt Aug. 15, 2000
5322543 Simplified method for producing ductile iron Jun. 21, 1994
5100612 Spheroidal graphite cast iron Mar. 31, 1992
4971623 Process for making as-cast ferritic spheroidal graphitic ductile iron Nov. 20, 1990
4913878 Method of testing the magnesium content of magnesium-treated cast iron Apr. 3, 1990
4900509 Process for manufacturing cast iron containing vermicular graphite Feb. 13, 1990
4705664 Radiant heat vaporizing injector Nov. 10, 1987
4702886 Corrosion resistant nickel alloyed ductile cast iron of ferrite structure Oct. 27, 1987
4657588 Method of keeping inductor spouts, downgates and outlet channels free of deposits in connection with a cast iron melt Apr. 14, 1987
4618427 Method of treating and breaking up a liquid with the help of centripetal force Oct. 21, 1986
4592538 Apparatus for producing predominately iron alloy containing magnesium Jun. 3, 1986
4579164 Process for making cast iron Apr. 1, 1986
4572751 Cast iron mold for plastic molding Feb. 25, 1986
4544407 Process for producing cast iron castings with a vermicular graphite structure Oct. 1, 1985
4409028 Process for producing cast iron Oct. 11, 1983
4150979 Method of continuous production of nodular cast iron Apr. 24, 1979
4147533 Process for the production of ferro-magnesium and the like Apr. 3, 1979











 
 
  Recently Added Patents
Orthogonal tunable antenna array for wireless communication devices
Intelligent sensor network
Methods and systems for enabling community-tested security features for legacy applications
Use of Lactobacillus for liver protection
Performance apparatus, a method of controlling the performance apparatus and a program recording medium
Block copolymer nanoparticle compositions
Position and orientation measurement apparatus, position and orientation measurement method, and storage medium
  Randomly Featured Patents
Decorating accessory and method of its manufacture
Time-to-digital conversion with delay contribution determination of delay elements
Strawberry plant named `PLANASA 02-32`
Exposure calculating apparatus
Hand-held nibbling machine
Glass block installation tool
Cable connector assembly
Pulse doppler surveillance post signal processing and scan to scan correlation
Heat dissipating assembly
Angular adjusting mechanism for use in massage device of massage machine