NO138333C - Fremgangsmaate til stabilisering av vandige formaldehydloesninger - Google Patents

Fremgangsmaate til stabilisering av vandige formaldehydloesninger

Info

Publication number
NO138333C
NO138333C NO4897/73A NO489773A NO138333C NO 138333 C NO138333 C NO 138333C NO 4897/73 A NO4897/73 A NO 4897/73A NO 489773 A NO489773 A NO 489773A NO 138333 C NO138333 C NO 138333C
Authority
NO
Norway
Prior art keywords
procedure
solutions
stabilizing water
formal dehyde
water formal
Prior art date
Application number
NO4897/73A
Other languages
English (en)
Norwegian (no)
Other versions
NO138333B (no
Inventor
Pierre Couderc
Daniel Roussel
Paul Calin
Original Assignee
Charbonnages Ste Chimique
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 Charbonnages Ste Chimique filed Critical Charbonnages Ste Chimique
Publication of NO138333B publication Critical patent/NO138333B/no
Publication of NO138333C publication Critical patent/NO138333C/no

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)
NO4897/73A 1972-12-26 1973-12-20 Fremgangsmaate til stabilisering av vandige formaldehydloesninger NO138333C (no)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
NO138333B NO138333B (no) 1978-05-08
NO138333C true NO138333C (no) 1978-08-16

Family

ID=9109269

Family Applications (1)

Application Number Title Priority Date Filing Date
NO4897/73A NO138333C (no) 1972-12-26 1973-12-20 Fremgangsmaate til stabilisering av vandige formaldehydloesninger

Country Status (19)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5530270Y2 (xx) * 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
DD109001A5 (xx) 1974-10-12
FR2211942A6 (xx) 1974-07-19
BE808582R (fr) 1974-03-29
IT1046011B (it) 1980-06-30
JPS49103991A (xx) 1974-10-02
DK133429B (da) 1976-05-17
NL180578C (nl) 1987-03-16
GB1440490A (en) 1976-06-23
CA996120A (en) 1976-08-31
FI58488C (fi) 1981-02-10
CS171658B2 (xx) 1976-10-29
NL7317663A (xx) 1974-06-28
NL180578B (nl) 1986-10-16
ES421711A2 (es) 1977-07-01
DE2364079A1 (de) 1974-07-04
DK133429C (xx) 1976-10-11
SE411203B (sv) 1979-12-10
LU69065A1 (xx) 1974-02-22
NO138333B (no) 1978-05-08
FI58488B (fi) 1980-10-31
PL94434B1 (pl) 1977-08-31
CH560728A5 (xx) 1975-04-15
US3903121A (en) 1975-09-02
JPS5112672B2 (xx) 1976-04-21

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