ClassID:

119727

C22C33/0235 - CPC Classification

Classification description:

Making ferrous alloys by powder metallurgy Starting from compounds, e.g. oxides

Recent Application in this class:
#1
20250357028
2025-11-20

SmFeN-BASED ANISOTROPIC MAGNETIC POWDER AND COMPOSITE MATERIAL

#2
20240363270
2024-10-31

METHOD OF PREPARING MAGNETIC POWDER AND MAGNETIC POWDER

#3
20240212899
2024-06-27

ANISOTROPIC SAMARIUM-IRON-NITROGEN MAGNETIC ALLOY POWDER AND PREPARATION METHOD THEREFOR

#4
20230381861
2023-11-30

METHOD FOR MANUFACTURING IRON (Fe)-NICKEL (Ni) ALLOY POWDER

#5
20230340649
2023-10-26

PREPARATION OF NICKEL-BASED ALLOYS USING WASTE MATERIALS

#6
20230317369
2023-10-05

PRODUCTION OF MAGNETIC MATERIALS

#7
20230250519
2023-08-10

Iron based powder

#8
20220406496
2022-12-22

METHOD OF PRODUCING SmFeN-BASED ANISOTROPIC MAGNETIC POWDER AND SmFeN-BASED ANISOTROPIC MAGNETIC POWDER

#9
20210046543
2021-02-18

Iron based powder

#10
20190292635
2019-09-26

Method for preparing metal powder, and metal powder

#11
20190276918
2019-09-12

Additive manufacturing method of lead-free environmentally-friendly high-strength brass alloy

#12
20190006069
2019-01-03

Powder for dust cores, method for producing same, dust core and method for producing dust core

#13
20180318923
2018-11-08

Raw material for magnet, which comprises Sm—Fe binary alloy as main component, method for producing the same, and magnet

#14
20180202029
2018-07-19

Iron-based powder for powder metallurgy and method for producing iron-based powder for powder metallurgy

#15
20180130579
2018-05-10

Magnetic material and a method of synthesising the same

#16
20170152585
2017-06-01

Method for producing pellets and method for producing iron-nickel alloy

#17
20160260530
2016-09-08

Short-process method for preparing sintered NdFeB magnets with high magnetic properties recycling from NdFeB sludge

#18
20120328467
2012-12-27

METHOD FOR THE PRODUCTION OF MIXED OXIDES AND PERMANENT MAGNETIC PARTICLES

#19
20120042750
2012-02-23

PROCESS FOR PRODUCING MAGNETIC METAL PARTICLES FOR MAGNETIC RECORDING, AND MAGNETIC RECORDING MEDIUM

#20
20100303663
2010-12-02

Porous light weight iron and method for preparing the same

#21
20100047579
2010-02-25

Coated, fine metal particles comprising specific content of carbon and nitrogen, and their production method

#22
20090202867
2009-08-13

PROCESS FOR PRODUCING MAGNETIC METAL PARTICLES FOR MAGNETIC RECORDING, AND MAGNETIC RECORDING MEDIUM

#23
20050220656
2005-10-06

Meltless preparation of martensitic steel articles having thermophysically melt incompatible alloying elements