ClassID:

120510

C23C22/83 - page 2 - CPC Classification

Classification description:

Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals; After-treatment Chemical after-treatment

Recent Application in this class:
#301
20070187001
2007-08-16

Composition and processes of a dry-in-place trivalent chromium corrosion-resistant coating for use on metal surfaces

#302
20070184202
2007-08-09

Lubricant and surface conditioner for formed metal surfaces

#303
20070134503
2007-06-14

Anticorrosion coating composition in aqueous dispersion comprising an organic titanate and/or zirconate

#304
20070082193
2007-04-12

Essentially chromium-free method for passivating metallic surfaces consisting of Zn, Zn alloys, Al or Al alloys

#305
20070080319
2007-04-12

Rust preventive for magnesium and/or magnesium alloy

#306
20070062617
2007-03-22

METHOD FOR LOWERING THE COEFFICIENT OF FRICTION OF THE SURFACE OF METAL BANDS WITH A COATING AND DEVICE FOR APPLYING A METALLIC COATING ONTO A STEEL BAND

#307
20070017602
2007-01-25

Two-stage conversion treatment

#308
20070003706
2007-01-04

Hot dip galvanized steel sheet and method for manufacturing same

#309
20060289089
2006-12-28

Method for treatment of chemically passivated galvanized surfaces to improve paint adhesion

#310
20060286399
2006-12-21

METAL PIECES AND ARTICLES HAVING IMPROVED CORROSION RESISTANCE

#311
20060286393
2006-12-21

Composition and process for improving the adhesion of a siccative organic coating compositions to metal substrates

#312
20060278124
2006-12-14

Surface treatment method for carbon steel screws embedded within anticorrosive wood, the associated surface structure and baking finishing formula

#313
20060240191
2006-10-26

Composition and process for preparing chromium-zirconium coatings on metal substrates

#314
20060234072
2006-10-19

Process for forming a well visible non-chromate conversion coating for magnesium and magnesium alloys

#315
20060193988
2006-08-31

Method for coating metallic surfaces with a mixture containing at least two silanes

#316
20060191599
2006-08-31

Process for sealing phosphoric acid anodized aluminums

#317
20060185769
2006-08-24

Treating solution for surface treatment of metal and a method for surface treatment

#318
20060166013
2006-07-27

Chromium-free rust inhibitive treatment method for metal products having zinc surface and metal products treated thereby

#319
20060147735
2006-07-06

Chemical conversion treating agent and surface treated metal

#320
20060127681
2006-06-15

Method for coating metallic surfaces with a silane-rich composition

#321
20060113007
2006-06-01

Corrosion resistant conversion coatings

#322
20060099439
2006-05-11

Metal pieces and articles having improved corrosion resistance

#323
20060099429
2006-05-11

Method for coating metallic surfaces with a composition that is rich in polymers

#324
20060065365
2006-03-30

Melamine-formaldehyde post-dip composition for improving adhesion of metal to polymer

#325
20060042726
2006-03-02

Non-chrome passivation of steel

#326
20060027629
2006-02-09

Surface treatment method for flux-brazed aluminum-made heat exchanger

#327
20060014893
2006-01-19

Method for coating metal substrates with a radically polymerizable coating agent and coated substrates

#328
20060014042
2006-01-19

Hybrid metal oxide/organometallic conversion coating for ferrous metals

#329
20060008668
2006-01-12

Multilayer, corrosion-resistant finish and method

#330
20050282003
2005-12-22

Coated article and process for coating article with anticorrosive finish

#331
20050276983
2005-12-15

Metal object-coating method and primer composition used in the same

#332
20050252578
2005-11-17

Process for production of a metal substrate containing a protective coating

#333
20050233134
2005-10-20

Surface-treated metal, method for producing the same, exhaust component for two-wheeled vehicle or four-wheeled vehicle, and interior and exterior component for domestic appliance

#334
20050208224
2005-09-22

Method for applying an anti-corrosion coating to especially corrosion exposed parts in rock drill equipment

#335
20050186347
2005-08-25

Method of protecting metals from corrosion using thiol compounds

#336
20050181230
2005-08-18

Corrosion resistant, zinc coated articles

#337
20050181139
2005-08-18

Process for applying a multi-layer coating to ferrous substrates

#338
20050181137
2005-08-18

Corrosion resistant, zinc coated articles

#339
20050176592
2005-08-11

Method of using intrinsically conductive polymers with inherent lubricating properties, and a composition having an intrinsically conductive polymer, for protecting metal surfaces from galling and corrosion

#340
20050170077
2005-08-04

Adhesion method

#341
20050145303
2005-07-07

Multiple step conversion coating process

#342
20050126427
2005-06-16

Polymer derivatives for treating metals

#343
20050121114
2005-06-09

Polymer derivatives for the treatment of metals

#344
20050121113
2005-06-09

Supplementary corrosion protection for components made of organically precoated metal sheets

#345
20050113559
2005-05-26

Conducting polymer for pretreatment of metallic and non-metallic surfaces

#346
20050106403
2005-05-19

Shaped metal article and method of producing shaped metal article having oxide coating

#347
20050048211
2005-03-03

Composition and process for improving the adhesion of a siccative organic coating compositions to metal substrates

#348
20050037228
2005-02-17

Inorganic-organic composite-treated zinc-plated steel sheet

#349
20050025991
2005-02-03

Inorganic-organic composite-treated zinc-plated steel sheet

#350
14964273
2019-09-10

Net shape ceramic microtruss and ceramic microtruss with metal shell