FR1401612A - Procédé de préparation du paraformaldéhyde - Google Patents

Procédé de préparation du paraformaldéhyde

Info

Publication number
FR1401612A
FR1401612A FR978609A FR978609A FR1401612A FR 1401612 A FR1401612 A FR 1401612A FR 978609 A FR978609 A FR 978609A FR 978609 A FR978609 A FR 978609A FR 1401612 A FR1401612 A FR 1401612A
Authority
FR
France
Prior art keywords
paraformaldehyde
preparing
preparing paraformaldehyde
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
FR978609A
Other languages
English (en)
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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
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 Degussa GmbH, Deutsche Gold und Silber Scheideanstalt filed Critical Degussa GmbH
Priority to FR978609A priority Critical patent/FR1401612A/fr
Application granted granted Critical
Publication of FR1401612A publication Critical patent/FR1401612A/fr
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
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/08—Polymerisation of formaldehyde
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
    • B01J2/06—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a liquid medium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
FR978609A 1963-08-10 1964-06-17 Procédé de préparation du paraformaldéhyde Expired FR1401612A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR978609A FR1401612A (fr) 1963-08-10 1964-06-17 Procédé de préparation du paraformaldéhyde

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DED0042220 1963-08-10
FR978609A FR1401612A (fr) 1963-08-10 1964-06-17 Procédé de préparation du paraformaldéhyde

Publications (1)

Publication Number Publication Date
FR1401612A true FR1401612A (fr) 1965-06-04

Family

ID=25971697

Family Applications (1)

Application Number Title Priority Date Filing Date
FR978609A Expired FR1401612A (fr) 1963-08-10 1964-06-17 Procédé de préparation du paraformaldéhyde

Country Status (1)

Country Link
FR (1) FR1401612A (fr)

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