GB1257177A - - Google Patents

Info

Publication number
GB1257177A
GB1257177A GB1257177DA GB1257177A GB 1257177 A GB1257177 A GB 1257177A GB 1257177D A GB1257177D A GB 1257177DA GB 1257177 A GB1257177 A GB 1257177A
Authority
GB
United Kingdom
Prior art keywords
dec
sulphamic
hexamethylenetetramine
boilers
thiocyanate
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
Other languages
English (en)
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 filed Critical
Publication of GB1257177A publication Critical patent/GB1257177A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/12Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
    • C02F5/125Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen combined with inorganic substances
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/08Iron or steel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Detergent Compositions (AREA)
GB1257177D 1967-12-27 1968-12-23 Expired GB1257177A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8380067 1967-12-27

Publications (1)

Publication Number Publication Date
GB1257177A true GB1257177A (enrdf_load_stackoverflow) 1971-12-15

Family

ID=13812715

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1257177D Expired GB1257177A (enrdf_load_stackoverflow) 1967-12-27 1968-12-23

Country Status (4)

Country Link
DE (1) DE1817217A1 (enrdf_load_stackoverflow)
FR (1) FR1603596A (enrdf_load_stackoverflow)
GB (1) GB1257177A (enrdf_load_stackoverflow)
MY (1) MY7300332A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2224750A (en) * 1988-09-26 1990-05-16 Fuji Xerox Co Ltd Method for removing a selenium-containing layer from an electrophotographic photoreceptor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2224750A (en) * 1988-09-26 1990-05-16 Fuji Xerox Co Ltd Method for removing a selenium-containing layer from an electrophotographic photoreceptor
US5085732A (en) * 1988-09-26 1992-02-04 Fuji Xerox Co., Ltd. Method for removing a selenium-containing layer from a electrophotographic photoreceptor
GB2224750B (en) * 1988-09-26 1992-12-02 Fuji Xerox Co Ltd Method for removing a selenium-containing layer from an electrophotographic photoreceptor

Also Published As

Publication number Publication date
MY7300332A (en) 1973-12-31
FR1603596A (enrdf_load_stackoverflow) 1971-05-03
DE1817217A1 (de) 1969-08-14

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Legal Events

Date Code Title Description
PS Patent sealed
PLE Entries relating assignments, transmissions, licences in the register of patents
PCNP Patent ceased through non-payment of renewal fee