NL202774A - - Google Patents

Info

Publication number: NL202774A
Authority: NL; Netherlands

Application number

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1949-12-12

Publication of NL202774A publication Critical patent/NL202774A/xx

Classifications

- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—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
- C23C22/05—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 using aqueous solutions
- C23C22/06—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 using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/46—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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing oxalates
- C23C22/47—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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing oxalates containing also phosphates

NL202774D 1949-12-12 NL202774A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE1949W0000608 DE916253C (en)	1949-12-12	1949-12-12	Process for the production of surface layers on iron and steel
DE1950C0003279 DE917159C (en)	1949-12-12	1950-10-11	Process for the production of surface layers on iron and steel

Publications (1)

Publication Number	Publication Date
NL202774A true NL202774A (en)

Family

ID=25969038

Family Applications (3)

Application Number	Title	Priority Date
NL202774D NL202774A (en)	1949-12-12
NL157883A NL81686C (en)	1949-12-12	1950-12-11
NL202774A NL88522C (en)	1949-12-12	1950-12-11

Family Applications After (2)

Application Number	Title	Priority Date	Filing Date
NL157883A NL81686C (en)	1949-12-12	1950-12-11
NL202774A NL88522C (en)	1949-12-12	1950-12-11

Country Status (5)

Country	Link
BE (1)	BE500006A (en)
DE (2)	DE916253C (en)
FR (1)	FR1032645A (en)
GB (1)	GB684204A (en)
NL (3)	NL81686C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2832706A (en) *	1953-05-12	1958-04-29	Victor Chemical Works	Metal cleaning and phosphating composition and method of cleaning and phosphating
US2930723A (en) *	1954-12-07	1960-03-29	Walterisation Company Ltd	Surface treatment of metals
DE1098784B (en) *	1955-04-08	1961-02-02	Metallgesellschaft Ag	Process for the production of oxalate layers on iron and steel

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE393417A (en) *	1932-02-09
US2077450A (en) *	1935-01-08	1937-04-20	Alrose Chemical Company	Method and composition for coating iron and steel articles
US2236549A (en) *	1937-06-11	1941-04-01	Parker Rust Proof Co	Method of coloring metals and product
DE734859C (en) *	1940-04-11	1943-04-29	Dr Herbert Luckmann	Process for producing layers on iron and iron alloys

0
- NL NL202774D patent/NL202774A/xx unknown
1949
- 1949-12-12 DE DE1949W0000608 patent/DE916253C/en not_active Expired
1950
- 1950-10-11 DE DE1950C0003279 patent/DE917159C/en not_active Expired
- 1950-12-11 NL NL157883A patent/NL81686C/nl active
- 1950-12-11 NL NL202774A patent/NL88522C/nl active
- 1950-12-11 GB GB3028350A patent/GB684204A/en not_active Expired
- 1950-12-12 BE BE500006A patent/BE500006A/en unknown
- 1950-12-12 FR FR1032645D patent/FR1032645A/en not_active Expired

Also Published As

Publication number	Publication date
DE917159C (en)	1954-08-26
BE500006A (en)	1950-12-30
FR1032645A (en)	1953-07-03
NL88522C (en)	1958-05-17
GB684204A (en)	1952-12-10
NL81686C (en)	1956-05-17
DE916253C (en)	1954-08-05

Publication	Publication Date	Title
NL81686C (en)	1956-05-17
BE480597A (en)
NL75366C (en)
BE497599A (en)
BE497117A (en)
BE496298A (en)
BE495569A (en)
BE494915A (en)
BE491189A (en)
BE488899A (en)
BE488550A (en)
BE488514A (en)
BE488447A (en)
BE488446A (en)
BE488429A (en)	1949-04-30
BE488426A (en)
BE488420A (en)
BE488341A (en)
BE488285A (en)
BE488282A (en)
BE488270A (en)
BE488253A (en)
BE488247A (en)	1949-04-30
BE488220A (en)
BE488178A (en)