NO138333C - Fremgangsmaate til stabilisering av vandige formaldehydloesninger - Google Patents
Fremgangsmaate til stabilisering av vandige formaldehydloesningerInfo
- 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
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7246197A FR2211942A6 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 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)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2434299A1 (de) | 1974-07-17 | 1976-02-05 | Aluminium Walzwerke Singen | Verfahren und vorrichtung zum herstellen von profilen o.dgl. insbesondere aus leichtmetall |
Family Cites Families (1)
| 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 |
-
1972
- 1972-12-26 FR FR7246197A patent/FR2211942A6/fr not_active Expired
-
1973
- 1973-12-13 BE BE138819A patent/BE808582R/xx active
- 1973-12-18 DK DK687173AA patent/DK133429B/da not_active IP Right Cessation
- 1973-12-20 SE SE7317223A patent/SE411203B/sv unknown
- 1973-12-20 NO NO4897/73A patent/NO138333C/no unknown
- 1973-12-20 CH CH1793373A patent/CH560728A5/xx not_active IP Right Cessation
- 1973-12-21 CS CS8910A patent/CS171658B2/cs unknown
- 1973-12-21 CA CA188,823A patent/CA996120A/en not_active Expired
- 1973-12-21 FI FI3961/73A patent/FI58488C/fi active
- 1973-12-21 GB GB5945573A patent/GB1440490A/en not_active Expired
- 1973-12-21 DE DE2364079A patent/DE2364079A1/de not_active Withdrawn
- 1973-12-21 IT IT70841/73A patent/IT1046011B/it active
- 1973-12-21 US US427306A patent/US3903121A/en not_active Expired - Lifetime
- 1973-12-21 LU LU69065A patent/LU69065A1/xx unknown
- 1973-12-22 PL PL1973167581A patent/PL94434B1/pl unknown
- 1973-12-24 NL NLAANVRAGE7317663,A patent/NL180578C/xx active Search and Examination
- 1973-12-26 JP JP48144153A patent/JPS5112672B2/ja not_active Expired
- 1973-12-27 DD DD175695A patent/DD109001A5/xx unknown
-
1974
- 1974-12-21 ES ES421711A patent/ES421711A2/es not_active Expired
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