ClassID:

119922

C23C8/16 - CPC Classification

Classification description:

Solid state diffusion of only non-metal elements into metallic material surfaces ; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied; Oxidising using oxygen-containing compounds, e.g. water, carbon dioxide

Sub-classes:
Recent Application in this class:
#1
20260136849
2026-05-14

METHODS FOR OXIDIZING A SUBSTRATE SURFACE USING GAS PHASE OXIDIZING RADICALS

#2
20250306001
2025-10-02

METHOD FOR MAKING A ZINC OXIDE THIN FILM

#3
20250271409
2025-08-28

METHOD OF FORMING A METAL OXIDE NANOSTRUCTURED THIN FILM

#4
20250271408
2025-08-28

GAS SENSOR ASSEMBLY METHOD

#5
20250161858
2025-05-22

INLINE FILTRATION FOR STEAM APPLICATIONS

#6
20250019816
2025-01-16

Anti-Coking Iron Spinel Surface

#7
20240339318
2024-10-10

SEGMENTED FORMATION OF GATE INTERFACE

#8
20240234133
2024-07-11

TREATMENTS TO ENHANCE MATERIAL STRUCTURES

#9
20240177989
2024-05-30

METHOD OF FORMING IMPROVED INTERFACES AND THIN FILM BY USING HIGH-DENSITY RADICAL

#10
20240018640
2024-01-18

METHOD FOR SURFACE TREATMENT BY SELECTIVE REMOVAL OF A BONDING PRIMER ON A TITANIUM OR TITANIUM ALLOY SUBSTRATE

#11
20230340904
2023-10-26

METHOD OF MANUFACTURING CASING OF TURBOCHARGER AND CASING OF TURBOCHARGER

#12
20230178274
2023-06-08

Neodymium-Iron-Boron Sintered Magnet and Method of Anti-Corrosion Treatment

#13
20230070856
2023-03-09

Method for fabricating a gas sensor with a metal oxide thin film

#14
20220399457
2022-12-15

Gate all around I/O engineering

#15
20220356554
2022-11-10

FASTENING MEMBER AND METHOD FOR MANUFACTURING SAME

#16
20220282363
2022-09-08

Nanostructure and method for producing same

#17
20220280692
2022-09-08

SURFACE HARDENING FOR A DENTAL IMPLANT

#18
20220275495
2022-09-01

LOW TEMPERATURE TITANIUM HARDENING

#19
20220119933
2022-04-21

Anti-coking iron spinel surface

#20
20210404046
2021-12-30

High pressure oxidation of metal films

#21
20210104617
2021-04-08

Gate all around I/O engineering

#22
20200283909
2020-09-10

Methods and systems for patinating zinc surfaces

#23
20200190654
2020-06-18

Method and device for manufacturing black coated steel sheets

#24
20200064304
2020-02-27

Method of determining a concentration of hydrogen gas with a hydrogen gas sensor

#25
20200048728
2020-02-13

Method and device for manufacturing steam-treated products

#26
20200047253
2020-02-13

Methods Of Fabricating Ceramic Or Intermetallic Parts

#27
20200035960
2020-01-30

Surface-treated metal plate, cell container, and cell

#28
20200002800
2020-01-02

Black plated steel sheet and manufacturing method therefor

#29
20190304778
2019-10-03

Method of manufacturing semiconductor device and non-transitory computer-readable recording medium

#30
20190292646
2019-09-26

Case hardened component of titanium

#31
20190212293
2019-07-11

Hydrogen gas sensor and a method of fabricating thereof

#32
20190185983
2019-06-20

High pressure oxidation of metal films

#33
20190115241
2019-04-18

HYDROPHOBIC ELECTROSTATIC CHUCK

#34
20190062892
2019-02-28

Corrosion resistive materials, systems, and methods of forming and using the materials and systems

#35
20190062889
2019-02-28

Method for manufacturing black plated steel sheet, apparatus for manufacturing black plated steel sheet, and system for manufacturing black plated steel sheet

#36
20180363125
2018-12-20

METHOD OF FORMING HIGH SURFACE AREA METAL OXIDE NANOSTRUCTURES AND APPLICATIONS OF SAME

#37
20180251882
2018-09-06

Anti-coking iron spinel surface

#38
20170356076
2017-12-14

Titanium alloy member and method for manufacturing the same

#39
20170260618
2017-09-14

Method for forming yttrium oxide on semiconductor processing equipment

#40
20170050241
2017-02-23

Methods of fabricating ceramic or intermetallic parts

#41
20160360623
2016-12-08

Methods of treating metal surfaces and devices formed thereby

#42
20160211531
2016-07-21

Powdered metal component

#43
20160131546
2016-05-12

Capacitive, ceramic pressure-measuring cell and method for the production thereof

#44
20160102395
2016-04-14

THREE STEP SURFACE ENHANCEMENT PROCESS FOR CARBON ALLOY FLUID ENDS

#45
20150322560
2015-11-12

Cr-containing austenitic alloy and method for producing the same

#46
20150217545
2015-08-06

Aluminum resin bonded body and method for producing same

#47
20150182068
2015-07-02

Process for manufacturing a cookware article with electroformed silver or silver alloy interior

#48
20150107722
2015-04-23

Method for producing black-plated steel sheet, and method for producing molded article of black-plated steel sheet

#49
20150072166
2015-03-12

Black-plated steel sheet

#50
20140261897
2014-09-18

Methods of treating metal surfaces and devices formed thereby

#51
20130180627
2013-07-18

COMPOSITE MATERIAL FOR DENTAL PROSTHESIS AND METHOD FOR MANUFACTURING THE SAME

#52
20130000789
2013-01-03

Method for manufacturing steel plate with a layered structure

#53
20120280172
2012-11-08

Method for producing positive electrode for non-aqueous electrolyte secondary cell and method for producing non-aqueous electrolyte secondary cell

#54
20110268958
2011-11-03

PROCESS FOR FORMING A NON-STICK COATING BASED ON SILICON CARBIDE

#55
20110217560
2011-09-08

Coated article and coating process therefor

#56
20110217464
2011-09-08

Method for applying a thermal barrier coating

#57
20110030852
2011-02-10

Method for producing pieces having a modified surface

#58
20100252145
2010-10-07

Method for producing surface-modified rare earth metal-based sintered magnet and surface-modified rare earth metal-based sintered magnet

#59
20100139812
2010-06-10

CASE HARDENING TITANIUM AND ITS ALLOYS

#60
20100098964
2010-04-22

METHOD FOR THE PRODUCTION OF A COATING

#61
20100032061
2010-02-11

METHOD FOR MANUFACTURING A Ni-BASED ALLOY ARTICLE AND PRODUCT THEREFROM

#62
20100028572
2010-02-04

Corrosion-resistant member and process for producing the same

#63
20090297408
2009-12-03

Method for Formation of Alumina Coating Film, Alumina Fiber, and Gas Treatment System Comprising the Alumina Fiber

#64
20090291549
2009-11-26

METAL FILM DECARBONIZING METHOD, FILM FORMING METHOD AND SEMICONDUCTOR DEVICE MANUFACTURING METHOD

#65
20090269939
2009-10-29

CYCLICAL OXIDATION PROCESS

#66
20090123775
2009-05-14

Method for producing Cr containing nickel-base alloy tube and Cr containing nickel-base alloy tube

#67
20090119908
2009-05-14

Method for producing positive electrode for non-aqueous electrolyte secondary cell and method for producing non-aqueous electrolyte secondary cell

#68
20090068069
2009-03-12

Article having reduced metal contamination

#69
20090035523
2009-02-05

Surface-modified member, surface-treating process and apparatus therefor

#70
20080056967
2008-03-06

Oxidizing method and oxidizing unit for object to be processed

#71
20080020216
2008-01-24

High performance coated material with improved metal dusting corrosion resistance

#72
20080008830
2008-01-10

Method for forming colored oxide film layer on nickel plating or chrome plating layer

#73
20070114670
2007-05-24

Corrosion-resistant aluminum conductive material and process for producing the same

#74
20060188056
2006-08-24

Method for forming coatings on structural components with corrosion-mitigating materials

#75
20060177679
2006-08-10

Method for manufacturing a Ni-based alloy article and product therefrom

#76
20060172142
2006-08-03

Oxidation resistant niobium based alloys

#77
20060118216
2006-06-08

Method for producing pieces having a modified surface

#78
20050272269
2005-12-08

Oxidizing method and oxidizing unit for object to be processed

#79
20050127133
2005-06-16

High-throughput ex-situ method for rare-earth-barium-copper-oxide (REBCO) film growth

#80
20050079699
2005-04-14

Oxidation method for semiconductor process

#81
20050014387
2005-01-20

Steam oxidation method