FR982431A - Process for preparing superpolyamides in the form of fine powders, - Google Patents

Process for preparing superpolyamides in the form of fine powders,

Info

Publication number
FR982431A
FR982431A FR982431DA FR982431A FR 982431 A FR982431 A FR 982431A FR 982431D A FR982431D A FR 982431DA FR 982431 A FR982431 A FR 982431A
Authority
FR
France
Prior art keywords
superpolyamides
preparing
fine powders
powders
fine
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
Remy-Fernand Chambret
Jean Vessereau
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rhodiaceta SA
Original Assignee
Rhodiaceta SA
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 Rhodiaceta SA filed Critical Rhodiaceta SA
Application granted granted Critical
Publication of FR982431A publication Critical patent/FR982431A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/04—Preparatory processes
    • C08G69/06—Solid state polycondensation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
FR982431D 1943-06-21 1943-06-21 Process for preparing superpolyamides in the form of fine powders, Expired FR982431A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR982431T 1943-06-21

Publications (1)

Publication Number Publication Date
FR982431A true FR982431A (en) 1951-06-11

Family

ID=9535342

Family Applications (1)

Application Number Title Priority Date Filing Date
FR982431D Expired FR982431A (en) 1943-06-21 1943-06-21 Process for preparing superpolyamides in the form of fine powders,

Country Status (1)

Country Link
FR (1) FR982431A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1022795B (en) * 1953-05-26 1958-01-16 Perfogit Societa Per Azioni Process for the production of a purified prepolycondensation product from an aqueous suspension of 11-aminoundecanoic acid
DE1210183B (en) * 1955-10-08 1966-02-03 Inventa A G Fuer Forschung & P Process for increasing the molecular weight of polyamides

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1022795B (en) * 1953-05-26 1958-01-16 Perfogit Societa Per Azioni Process for the production of a purified prepolycondensation product from an aqueous suspension of 11-aminoundecanoic acid
DE1210183B (en) * 1955-10-08 1966-02-03 Inventa A G Fuer Forschung & P Process for increasing the molecular weight of polyamides

Similar Documents

Publication Publication Date Title
FR982431A (en) Process for preparing superpolyamides in the form of fine powders,
CH263294A (en) Process for the production of ammonium nitrate in the granulated state.
FR1280554A (en) Process for the production of cosmetic powders of new compositions
FR1227617A (en) Process for the production of highly polymerized formaldehyde ethers
FR901970A (en) Process for carrying out hydrogenation reactions
FR987969A (en) Process for preparing powders intended to obtain sintered masses
FR983437A (en) Process for the improvement of molasses
FR903871A (en) Process for the continuous spinning of linear superpolymers, in particular superpolyamides
FR52996E (en) Process for producing aluminum-silicon alloys
FR52997E (en) Process for producing aluminum-silicon alloys
FR52861E (en) Process for producing aluminum-silicon alloys
FR898948A (en) Improvements to the processes for obtaining metal powders, in particular ferro-magnetic powders
FR906294A (en) Process for the manufacture of articles made of iron-carbon alloys
FR981424A (en) Process for the synthesis of hydroxy-4-coumarins substituted in position 3
FR53047E (en) Process for producing molding compositions
FR902000A (en) Process for preparing 1, 3-butylene glycol
FR1145114A (en) Process for the manufacture of nitrocellulose powders
FR984439A (en) Process for the preparation of metallic colloids
FR913846A (en) Manufacturing process for refractory objects
FR897760A (en) Process for preparing an auxiliary product for the textile industry and product obtained
FR913182A (en) Milling process for steel sheets
CH250381A (en) Process for the metallization of articles consisting of a porous mass which does not conduct electricity.
BE454864A (en) Process for the treatment of acetalization mixtures
FR931899A (en) Manufacturing process for building components
FR905704A (en) Steel making process