GB1558000A - Zinc phosphatic baths and concentrates - Google Patents

Zinc phosphatic baths and concentrates

Info

Publication number
GB1558000A
GB1558000A GB53365/76A GB5336576A GB1558000A GB 1558000 A GB1558000 A GB 1558000A GB 53365/76 A GB53365/76 A GB 53365/76A GB 5336576 A GB5336576 A GB 5336576A GB 1558000 A GB1558000 A GB 1558000A
Authority
GB
United Kingdom
Prior art keywords
phosphatic
baths
concentrates
zinc
zinc phosphatic
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB53365/76A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pennwalt Corp
Original Assignee
Pennwalt Corp
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.)
Filing date
Publication date
Application filed by Pennwalt Corp filed Critical Pennwalt Corp
Publication of GB1558000A publication Critical patent/GB1558000A/en
Expired legal-status Critical Current

Links

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
    • C23C22/07—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 phosphates
    • C23C22/08—Orthophosphates
    • C23C22/12—Orthophosphates containing zinc cations

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
GB53365/76A 1976-01-29 1976-12-21 Zinc phosphatic baths and concentrates Expired GB1558000A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/653,679 US4057440A (en) 1976-01-29 1976-01-29 Scale reducer for zinc phosphating solutions

Publications (1)

Publication Number Publication Date
GB1558000A true GB1558000A (en) 1979-12-19

Family

ID=24621891

Family Applications (1)

Application Number Title Priority Date Filing Date
GB53365/76A Expired GB1558000A (en) 1976-01-29 1976-12-21 Zinc phosphatic baths and concentrates

Country Status (5)

Country Link
US (1) US4057440A (enExample)
FR (1) FR2339682A1 (enExample)
GB (1) GB1558000A (enExample)
MX (1) MX147731A (enExample)
SE (1) SE7614179L (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4220485A (en) * 1978-12-14 1980-09-02 Calgon Corporation Process for sealing phosphatized metal components
FR2450783A1 (fr) * 1979-03-05 1980-10-03 Oxysynthese Solutions aqueuses stabilisees de peroxyde d'hydrogene
US4427459A (en) 1982-01-25 1984-01-24 Pennwalt Corporation Phosphate conversion coatings for metals with reduced coating weights and crystal sizes
US4394184A (en) * 1982-03-26 1983-07-19 Pennwalt Corporation Determination of grain refiners in phosphate conversion coating baths
GB0226101D0 (en) * 2002-11-08 2002-12-18 Rhodia Cons Spec Ltd White rust corrosion inhibitors

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE24875E (en) * 1956-03-05 1960-09-27 Metal coating compositions
US3336221A (en) * 1964-11-05 1967-08-15 Calgon Corp Method of inhibiting precipitation and scale formation
US3459600A (en) * 1966-11-07 1969-08-05 Todco Chem Co Inc Novel zinc coating composition and method
DE2013371B1 (de) * 1970-03-20 1971-11-04 Joh A , Benckiser GmbH, Chemische Fabrik, 6700 Ludwigshafen Verfahren zur Herstellung von Amino methylenphosphonsauren
US3738937A (en) * 1970-05-08 1973-06-12 Textilana Corp Polyalkylene polyamino polykis methylene phosphonic acids and salts thereof and methods for producing same
US3778377A (en) * 1971-10-06 1973-12-11 Universal Oil Prod Co Protecting metal during acid contact
GB1418966A (en) * 1973-10-06 1975-12-24 Ciba Geigy Ag Treatment of steel with organic phosphonic or phosphonous acids

Also Published As

Publication number Publication date
FR2339682A1 (fr) 1977-08-26
FR2339682B1 (enExample) 1981-01-09
MX147731A (es) 1983-01-10
US4057440A (en) 1977-11-08
SE7614179L (sv) 1977-07-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee