FR628009A - Improvements in the purification of acetic anhydride - Google Patents

Improvements in the purification of acetic anhydride

Info

Publication number
FR628009A
FR628009A FR628009DA FR628009A FR 628009 A FR628009 A FR 628009A FR 628009D A FR628009D A FR 628009DA FR 628009 A FR628009 A FR 628009A
Authority
FR
France
Prior art keywords
purification
acetic anhydride
anhydride
acetic
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
Henry Dreyfus
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
Application granted granted Critical
Publication of FR628009A publication Critical patent/FR628009A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54—Preparation of carboxylic acid anhydrides
    • C07C51/573—Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
FR628009D 1926-02-03 1927-01-26 Improvements in the purification of acetic anhydride Expired FR628009A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB628009X 1926-02-03

Publications (1)

Publication Number Publication Date
FR628009A true FR628009A (en) 1927-10-17

Family

ID=10488509

Family Applications (1)

Application Number Title Priority Date Filing Date
FR628009D Expired FR628009A (en) 1926-02-03 1927-01-26 Improvements in the purification of acetic anhydride

Country Status (1)

Country Link
FR (1) FR628009A (en)

Similar Documents

Publication Publication Date Title
FR628009A (en) Improvements in the purification of acetic anhydride
FR637839A (en) Children's rifle
FR31306E (en) Improvements in the construction of induction motors
FR636853A (en) Improvements in the art of propulsion
FR613841A (en) Improvements in the manufacture of acetic anhydride
FR617704A (en) Improvements in the manufacture of acetic anhydride
FR607740A (en) Improvements in the construction of insulator support fittings
FR621340A (en) Improvements made in the establishment of magnetic action speedometers
FR665162A (en) Improvements in the preparation of esters
FR617705A (en) Further development in the manufacture of acetic anhydride
FR667687A (en) Improvements to the apparatus of galvanostegic metallization tanks
FR713602A (en) Improvements in the manufacture of acetic anhydride
FR647880A (en) Phthalic anhydride purification process
BE348070A (en) Phthalic anhydride purification process
FR630271A (en) Goal kit
FR626832A (en) air purifier
FR644578A (en) Improvements to the construction of current transformers
FR613580A (en) Apartment shower
CA283817A (en) Acetic anhydride purification
FR546400A (en) Advanced boat propelled using the feet
FR639995A (en) Airplane-shaped kite
FR778100A (en) Improvements in the purification of siliceous sands and similar materials
FR31101E (en) Signal placed at the rear of vehicles
FR594112A (en) Signal placed at the rear of vehicles
FR618688A (en) Improvements to the arrangement of coils in cables