FR491238A - Lead refining process - Google Patents

Lead refining process

Info

Publication number
FR491238A
FR491238A FR491238DA FR491238A FR 491238 A FR491238 A FR 491238A FR 491238D A FR491238D A FR 491238DA FR 491238 A FR491238 A FR 491238A
Authority
FR
France
Prior art keywords
refining process
lead refining
lead
refining
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
French (fr)
Inventor
George Powell Hulst
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR491238A publication Critical patent/FR491238A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B13/00Obtaining lead
    • C22B13/06Refining

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR491238D 1918-08-12 1918-08-12 Lead refining process Expired FR491238A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR491238T 1918-08-12

Publications (1)

Publication Number Publication Date
FR491238A true FR491238A (en) 1919-05-27

Family

ID=1527261

Family Applications (1)

Application Number Title Priority Date Filing Date
FR491238D Expired FR491238A (en) 1918-08-12 1918-08-12 Lead refining process

Country Status (1)

Country Link
FR (1) FR491238A (en)

Similar Documents

Publication Publication Date Title
FR519528A (en) Process for the production of economical soaps
FR491238A (en) Lead refining process
FR513671A (en) Process for the production of ferro-tungsten
CH78646A (en) Process for the manufacture of briquettes
FR495578A (en) Process for the manufacture of superphosphates
FR501461A (en) Metallurgical process
CH81099A (en) Process for the production of briquettes from strawberries
FR498438A (en) Process for the dehydration of tar
FR524751A (en) Process for the manufacture of cartridge cases
FR521539A (en) Gasoline purification process
FR488762A (en) Azide production process
FR517801A (en) Process for the manufacture of corks
FR526968A (en) Process for the manufacture of resin-like substances
FR517872A (en) Process for the production of bleaching charcoal
FR519513A (en) Process for the production of petroleum jelly
FR490959A (en) Method for the purification of anthraquinone
FR489233A (en) Process for the production of artificial butter
FR518574A (en) Process for the production of acetic aldehyde
FR505608A (en) New process for the production of cellulose acetates
FR510489A (en) Process for the preparation of perylene
FR494191A (en) Process for making mercury oxide
CH81477A (en) Process for the electrolytic production of magnesium
FR518553A (en) Process for the manufacture of artificial resins
FR491062A (en) Electrochemical process for the regeneration of files
FR497421A (en) New electrolysis process