BE600978A - New optical element and method and apparatus for its manufacture - Google Patents

New optical element and method and apparatus for its manufacture

Info

Publication number
BE600978A
BE600978A BE600978A BE600978A BE600978A BE 600978 A BE600978 A BE 600978A BE 600978 A BE600978 A BE 600978A BE 600978 A BE600978 A BE 600978A BE 600978 A BE600978 A BE 600978A
Authority
BE
Belgium
Prior art keywords
manufacture
optical element
new optical
new
optical
Prior art date
Application number
BE600978A
Other languages
French (fr)
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 BE600978A publication Critical patent/BE600978A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G19/00—Refining hydrocarbon oils in the absence of hydrogen, by alkaline treatment
    • C10G19/08—Recovery of used refining agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE600978A 1959-10-29 1961-03-06 New optical element and method and apparatus for its manufacture BE600978A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US601978XA 1959-10-29 1959-10-29

Publications (1)

Publication Number Publication Date
BE600978A true BE600978A (en) 1961-09-06

Family

ID=22027974

Family Applications (1)

Application Number Title Priority Date Filing Date
BE600978A BE600978A (en) 1959-10-29 1961-03-06 New optical element and method and apparatus for its manufacture

Country Status (2)

Country Link
BE (1) BE600978A (en)
GB (1) GB601978A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2983206B1 (en) * 2011-11-24 2015-03-20 Ifp Energies Now IMPROVED PROCESS FOR THE EXTRACTION OF SULFUR COMPOUNDS BY LIQUID LIQUID EXTRACTION USING A SODA SOLUTION WITH OPTIMIZED FINAL WASHING STEP

Also Published As

Publication number Publication date
GB601978A (en) 1948-05-18

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