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
Authority: NL; Netherlands
Prior art keywords: procedure; air; cryogenic separation; fractioned distillation; fractioned
Prior art date: 1949-05-04

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.)

1949-05-04

Filing date

1950-05-04

Publication date

1952-10-15

1950-05-04 Application filed by Union Carbide Corp filed Critical Union Carbide Corp

1952-10-15 Publication of NL153325B publication Critical patent/NL153325B/en

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
JP2014524418A (en) *	2011-08-02	2014-09-22	ザプロクターアンドギャンブルカンパニー	Liquid-liquid extraction composition useful for treatment 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

1949
- 1949-05-04 US US91421A patent/US2610195A/en not_active Expired - Lifetime
1950
- 1950-05-03 FR FR1018443D patent/FR1018443A/en not_active Expired
- 1950-05-04 NL NL717100394A patent/NL153325B/en not_active IP Right Cessation
- 1950-05-04 GB GB11002/50A patent/GB697007A/en not_active Expired

Also Published As

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

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Legal Events

Date	Code	Title	Description
1988-05-16	V1	Lapsed because of non-payment of the annual fee
1991-01-31	NL80	Information provided on patent owner name for an already discontinued patent	Owner name: UNION CARBIDE