BE721861A - procede d'epuration de l'ester d'acide mono-hydroxypivalique et de dimethyl-2,2-propanediol-1,3 - Google Patents

procede d'epuration de l'ester d'acide mono-hydroxypivalique et de dimethyl-2,2-propanediol-1,3

Info

Publication number
BE721861A
BE721861A BE721861DA BE721861A BE 721861 A BE721861 A BE 721861A BE 721861D A BE721861D A BE 721861DA BE 721861 A BE721861 A BE 721861A
Authority
BE
Belgium
Prior art keywords
propanediol
purifying
mono
dimethyl
ester
Prior art date
Application number
Other languages
English (en)
French (fr)
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Publication of BE721861A publication Critical patent/BE721861A/xx

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/26—Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor
    • G11B19/265—Friction wheel drive
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/56—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE721861D 1967-10-06 1968-10-04 procede d'epuration de l'ester d'acide mono-hydroxypivalique et de dimethyl-2,2-propanediol-1,3 BE721861A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB0094829 1967-10-06

Publications (1)

Publication Number Publication Date
BE721861A true BE721861A (fr) 1969-04-04

Family

ID=6987815

Family Applications (1)

Application Number Title Priority Date Filing Date
BE721861D BE721861A (fr) 1967-10-06 1968-10-04 procede d'epuration de l'ester d'acide mono-hydroxypivalique et de dimethyl-2,2-propanediol-1,3

Country Status (7)

Country Link
US (1) US3641118A (xx)
JP (1) JPS5116413B1 (xx)
BE (1) BE721861A (xx)
DE (1) DE1643671B1 (xx)
FR (1) FR1584881A (xx)
GB (1) GB1233796A (xx)
NL (1) NL6814186A (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3432577A1 (de) * 1984-09-05 1986-03-13 Basf Ag, 6700 Ludwigshafen Verfahren zur gewinnung von hydroxypivalinsaeureneopentylglykolester
US5041621A (en) * 1989-09-27 1991-08-20 Eastman Kodak Company Process for the preparation of dihydroxy esters
DE19733903A1 (de) * 1997-08-05 1999-02-11 Basf Ag Verfahren zur Gewinnung von Hydroxxpivalinsäureneopentylglykolester (HPN)

Also Published As

Publication number Publication date
US3641118A (en) 1972-02-08
GB1233796A (en) 1971-05-26
JPS5116413B1 (xx) 1976-05-24
DE1643671B1 (de) 1971-08-12
FR1584881A (fr) 1970-01-02
NL6814186A (nl) 1969-04-09

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