GB1502359A - Process for the production of paraformaldehyde - Google Patents

Process for the production of paraformaldehyde

Info

Publication number
GB1502359A
GB1502359A GB5040675A GB5040675A GB1502359A GB 1502359 A GB1502359 A GB 1502359A GB 5040675 A GB5040675 A GB 5040675A GB 5040675 A GB5040675 A GB 5040675A GB 1502359 A GB1502359 A GB 1502359A
Authority
GB
United Kingdom
Prior art keywords
paraformaldehyde
production
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
GB5040675A
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.)
Societa Italiana Resine SpA SIR
Original Assignee
Societa Italiana Resine SpA SIR
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 Societa Italiana Resine SpA SIR filed Critical Societa Italiana Resine SpA SIR
Publication of GB1502359A publication Critical patent/GB1502359A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C08J3/122—Pulverisation by spraying
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2359/00—Characterised by the use of polyacetals containing polyoxymethylene sequences only
    • C08J2359/02—Copolyoxymethylenes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
GB5040675A 1974-12-20 1975-12-09 Process for the production of paraformaldehyde Expired GB1502359A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT3081274A IT1027876B (en) 1974-12-20 1974-12-20 PROCEDURE FOR THE PRODUCTION OF PARAFORMALDEHYDE

Publications (1)

Publication Number Publication Date
GB1502359A true GB1502359A (en) 1978-03-01

Family

ID=11232210

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5040675A Expired GB1502359A (en) 1974-12-20 1975-12-09 Process for the production of paraformaldehyde

Country Status (2)

Country Link
GB (1) GB1502359A (en)
IT (1) IT1027876B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020068390A1 (en) * 2018-09-28 2020-04-02 Celanese International Corporation Ammonia and ammonium hydroxide stabilizers for paraformaldehyde

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020068390A1 (en) * 2018-09-28 2020-04-02 Celanese International Corporation Ammonia and ammonium hydroxide stabilizers for paraformaldehyde
CN112714773A (en) * 2018-09-28 2021-04-27 国际人造丝公司 Ammonia and ammonium hydroxide stabilizers for paraformaldehyde
US11897996B2 (en) 2018-09-28 2024-02-13 Celanese International Corporation Ammonia and ammonium hydroxide stabilizers for paraformaldehyde

Also Published As

Publication number Publication date
IT1027876B (en) 1978-12-20

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Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee