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 ( ) | 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 ( ) |
JP (1) | JPS5112672B2 ( ) |
BE (1) | BE808582R ( ) |
CA (1) | CA996120A ( ) |
CH (1) | CH560728A5 ( ) |
CS (1) | CS171658B2 ( ) |
DD (1) | DD109001A5 ( ) |
DE (1) | DE2364079A1 ( ) |
DK (1) | DK133429B ( ) |
ES (1) | ES421711A2 ( ) |
FI (1) | FI58488C ( ) |
FR (1) | FR2211942A6 ( ) |
GB (1) | GB1440490A ( ) |
IT (1) | IT1046011B ( ) |
LU (1) | LU69065A1 ( ) |
NL (1) | NL180578C ( ) |
NO (1) | NO138333C ( ) |
PL (1) | PL94434B1 ( ) |
SE (1) | SE411203B ( ) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5530270Y2 ( ) * | 1975-03-31 | 1980-07-18 |
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 CA CA188,823A patent/CA996120A/en not_active Expired
- 1973-12-21 US US427306A patent/US3903121A/en not_active Expired - Lifetime
- 1973-12-21 IT IT70841/73A patent/IT1046011B/it 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 LU LU69065A patent/LU69065A1/xx unknown
- 1973-12-21 CS CS8910A patent/CS171658B2/cs unknown
- 1973-12-21 FI FI3961/73A patent/FI58488C/fi active
- 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
Also Published As
Publication number | Publication date |
---|---|
DK133429C ( ) | 1976-10-11 |
JPS5112672B2 ( ) | 1976-04-21 |
PL94434B1 (pl) | 1977-08-31 |
BE808582R (fr) | 1974-03-29 |
DE2364079A1 (de) | 1974-07-04 |
LU69065A1 ( ) | 1974-02-22 |
DD109001A5 ( ) | 1974-10-12 |
NO138333B (no) | 1978-05-08 |
CH560728A5 ( ) | 1975-04-15 |
FR2211942A6 ( ) | 1974-07-19 |
NL7317663A ( ) | 1974-06-28 |
JPS49103991A ( ) | 1974-10-02 |
ES421711A2 (es) | 1977-07-01 |
NL180578C (nl) | 1987-03-16 |
FI58488C (fi) | 1981-02-10 |
DK133429B (da) | 1976-05-17 |
NL180578B (nl) | 1986-10-16 |
IT1046011B (it) | 1980-06-30 |
SE411203B (sv) | 1979-12-10 |
CA996120A (en) | 1976-08-31 |
US3903121A (en) | 1975-09-02 |
FI58488B (fi) | 1980-10-31 |
GB1440490A (en) | 1976-06-23 |
CS171658B2 ( ) | 1976-10-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DK137329B (da) | Analogifremgangsmåde til fremstilling af 2-karbalkoksyaminobenzimidazolderivater. | |
IT989293B (it) | Connettore azionabile tramite variazioni termiche | |
DK151380C (da) | Fremgangsmaade til impraegnering af murvaerk | |
DK135775B (da) | Analogifremgangsmåde til fremstilling af mættede 3alfa-hydroxy-5alfa-pregnaner. | |
FI56312B (fi) | Anordning foer fastsaettning av vaeggbeklaednad | |
SE417968B (sv) | Forfarande for framstellning av penamderivat | |
DK135505B (da) | Analogifremgangsmåde til fremstilling af morpholinderivater. | |
FI55626C (fi) | Anordning foer framstaellning av en behaollare | |
NL7508747A (nl) | Waterverhitter. | |
DK125800B (da) | Analogifremgangsmåde til fremstilling af morpholinderivater. | |
NO139130C (no) | Fremgangsmaate til fremstilling av 2-alkylamino-dihydropyridiner | |
DK134604B (da) | Fremgangsmåde til fremstilling af indenyl-3-acetoglucuronider. | |
DK138230B (da) | Analogifremgangsmåde til fremstilling af vincanolsalte. | |
DK138796B (da) | Analogifremgangsmåde til fremstilling af 2-carboxypyrazin-4-oxidderivater. | |
DK131864B (da) | Fremgangsmåde til fremstilling af pregnan-21-syrederivater. | |
DK135380C (da) | Analogifremgangsmade til fremstilling af pregnan-21-syrederivater | |
NO144208C (no) | Fremgangsmaate til stabilisering av vandige formaldehydopploesninger | |
CH557524A (de) | Wasserstandsgeber. | |
FI53452C (fi) | Foerfarande foer framstaellning av n-laegre-alkyl-1,4-dihydro-4-oxokinolin-3-karboxylsyror | |
DK133667B (da) | Fremgangsmåde til fremstilling af 5-cyklohexyl-6-halogenindan-1-karboxylsyrederivater. | |
DK135122B (da) | Analogifremgangsmåde til fremstilling af 4-aryl-5-aminoalkyl-4-oxazolin-2-onderivater. | |
NO140185C (no) | Fremgangsmaate til fremstilling av indolderivater | |
NO138333C (no) | Fremgangsmaate til stabilisering av vandige formaldehydloesninger | |
DK133263C (da) | Fungicid til landbrugsformal | |
DK139677B (da) | Fremgangsmåde til fremstilling af 7-benzoylindolin-2-oner. |