NL153325B - PROCEDURE FOR CRYOGENIC SEPARATION OF AIR BY FRACTIONED DISTILLATION. - Google Patents

PROCEDURE FOR CRYOGENIC SEPARATION OF AIR BY FRACTIONED DISTILLATION.

Info

Publication number
NL153325B
NL153325B NL717100394A NL153325A NL153325B NL 153325 B NL153325 B NL 153325B NL 717100394 A NL717100394 A NL 717100394A NL 153325 A NL153325 A NL 153325A NL 153325 B NL153325 B NL 153325B
Authority
NL
Netherlands
Prior art keywords
procedure
air
cryogenic separation
fractioned distillation
fractioned
Prior art date
Application number
NL717100394A
Other languages
Dutch (nl)
Original Assignee
Union Carbide 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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of NL153325B publication Critical patent/NL153325B/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/66—Phosphorus compounds
    • A61K31/683—Diesters of a phosphorus acid with two hydroxy compounds, e.g. phosphatidylinositols
    • A61K31/685—Diesters of a phosphorus acid with two hydroxy compounds, e.g. phosphatidylinositols one of the hydroxy compounds having nitrogen atoms, e.g. phosphatidylserine, lecithin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/04—Solvent extraction of solutions which are liquid
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J75/00—Processes for the preparation of steroids in general
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J9/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of more than two carbon atoms, e.g. cholane, cholestane, coprostane

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Steroid Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL717100394A 1949-05-04 1950-05-04 PROCEDURE FOR CRYOGENIC SEPARATION OF AIR BY FRACTIONED DISTILLATION. NL153325B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US91421A US2610195A (en) 1949-05-04 1949-05-04 Recovery of unsaponifiables from concentrates containing the same

Publications (1)

Publication Number Publication Date
NL153325B true NL153325B (en) 1952-10-15

Family

ID=22227694

Family Applications (1)

Application Number Title Priority Date Filing Date
NL717100394A NL153325B (en) 1949-05-04 1950-05-04 PROCEDURE FOR CRYOGENIC SEPARATION OF AIR BY FRACTIONED DISTILLATION.

Country Status (4)

Country Link
US (1) US2610195A (en)
FR (1) FR1018443A (en)
GB (1) GB697007A (en)
NL (1) NL153325B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2753362A (en) * 1951-05-18 1956-07-03 Standard Brands Inc Process of extracting lipids from plant and animal tissue
US2729655A (en) * 1952-04-28 1956-01-03 Gen Mills Inc Production of sterols
FR2526805A1 (en) * 1982-05-14 1983-11-18 Exsymol Sa IMPROVEMENT IN OBTAINING UNSAPPLIANT COMPOUNDS FROM NATURAL SUBSTANCES AND RESULTING PRODUCTS
FR2978452B1 (en) * 2011-07-28 2015-01-30 Expanscience Lab LIQUID / LIQUID EXTRACTION WITH A SOLVENT COMPRISING AT LEAST 5 CARBON ATOMS AND 1 OR 2 ATOMS OF OXYGEN
CN103717283B (en) * 2011-08-02 2016-10-12 宝洁公司 Can be used for the liquid-liquid extraction compositions for the treatment of of water-soluble surfactant
US9039898B2 (en) * 2011-11-15 2015-05-26 Engineering Research Associates, Inc. Method for separating components in natural oil

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1733009A (en) * 1927-06-14 1929-10-22 Soc Of Chemical Ind Manufacture of sterols
US2173629A (en) * 1937-08-09 1939-09-19 Research Corp Process for the extraction, concentration, and fractional separation of vitamins a and d
US2191260A (en) * 1938-05-03 1940-02-20 Armour & Co Process of preparing cholesterol
US2218971A (en) * 1939-04-06 1940-10-22 Glidden Co Recovery of sterols
US2280815A (en) * 1940-03-20 1942-04-28 Squibb & Sons Inc Method of obtaining sterols
US2362605A (en) * 1942-04-22 1944-11-14 Iowa State College Res Found Treatment of sterol-containing substrates

Also Published As

Publication number Publication date
FR1018443A (en) 1953-01-07
US2610195A (en) 1952-09-09
GB697007A (en) 1953-09-16

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Information provided on patent owner name for an already discontinued patent

Owner name: UNION CARBIDE