ES421711A2 - Un procedimiento de estabilizacion de soluciones acuosas de formaldehido. - Google Patents

Un procedimiento de estabilizacion de soluciones acuosas de formaldehido.

Info

Publication number
ES421711A2
ES421711A2 ES421711A ES421711A ES421711A2 ES 421711 A2 ES421711 A2 ES 421711A2 ES 421711 A ES421711 A ES 421711A ES 421711 A ES421711 A ES 421711A ES 421711 A2 ES421711 A2 ES 421711A2
Authority
ES
Spain
Prior art keywords
dioxane
chlorine
vinyl
vinyl acetate
vinyl alcohol
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
ES421711A
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.)
Orkem SA
Original Assignee
Chimique des Charbonnages 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 Chimique des Charbonnages SA filed Critical Chimique des Charbonnages SA
Publication of ES421711A2 publication Critical patent/ES421711A2/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/86—Use of additives, e.g. for stabilisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Water Treatment By Sorption (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
ES421711A 1972-12-26 1974-12-21 Un procedimiento de estabilizacion de soluciones acuosas de formaldehido. Expired ES421711A2 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7246197A FR2211942A6 (es) 1972-12-26 1972-12-26

Publications (1)

Publication Number Publication Date
ES421711A2 true ES421711A2 (es) 1977-07-01

Family

ID=9109269

Family Applications (1)

Application Number Title Priority Date Filing Date
ES421711A Expired ES421711A2 (es) 1972-12-26 1974-12-21 Un procedimiento de estabilizacion de soluciones acuosas de formaldehido.

Country Status (19)

Country Link
US (1) US3903121A (es)
JP (1) JPS5112672B2 (es)
BE (1) BE808582R (es)
CA (1) CA996120A (es)
CH (1) CH560728A5 (es)
CS (1) CS171658B2 (es)
DD (1) DD109001A5 (es)
DE (1) DE2364079A1 (es)
DK (1) DK133429B (es)
ES (1) ES421711A2 (es)
FI (1) FI58488C (es)
FR (1) FR2211942A6 (es)
GB (1) GB1440490A (es)
IT (1) IT1046011B (es)
LU (1) LU69065A1 (es)
NL (1) NL180578C (es)
NO (1) NO138333C (es)
PL (1) PL94434B1 (es)
SE (1) SE411203B (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5530270Y2 (es) * 1975-03-31 1980-07-18

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3268481A (en) * 1960-11-30 1966-08-23 Inst Francais Du Petrole Upgrading of heavy residues from isoprene manufacture by reacting said residues withmaleic acid or maleic anhydride

Also Published As

Publication number Publication date
SE411203B (sv) 1979-12-10
GB1440490A (en) 1976-06-23
NO138333C (no) 1978-08-16
DK133429C (es) 1976-10-11
FI58488B (fi) 1980-10-31
IT1046011B (it) 1980-06-30
DK133429B (da) 1976-05-17
NL180578C (nl) 1987-03-16
BE808582R (fr) 1974-03-29
LU69065A1 (es) 1974-02-22
NL7317663A (es) 1974-06-28
FR2211942A6 (es) 1974-07-19
NO138333B (no) 1978-05-08
CH560728A5 (es) 1975-04-15
CS171658B2 (es) 1976-10-29
DD109001A5 (es) 1974-10-12
FI58488C (fi) 1981-02-10
US3903121A (en) 1975-09-02
JPS5112672B2 (es) 1976-04-21
PL94434B1 (pl) 1977-08-31
DE2364079A1 (de) 1974-07-04
CA996120A (en) 1976-08-31
NL180578B (nl) 1986-10-16
JPS49103991A (es) 1974-10-02

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19930305