NL6809750A - - Google Patents
Info
- Publication number
- NL6809750A NL6809750A NL6809750A NL6809750A NL6809750A NL 6809750 A NL6809750 A NL 6809750A NL 6809750 A NL6809750 A NL 6809750A NL 6809750 A NL6809750 A NL 6809750A NL 6809750 A NL6809750 A NL 6809750A
- Authority
- NL
- Netherlands
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)
- Phenolic Resins Or Amino Resins (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1847667 | 1967-07-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL6809750A true NL6809750A (en:Method) | 1969-01-21 |
| NL156679B NL156679B (nl) | 1978-05-16 |
Family
ID=11152915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6809750.A NL156679B (nl) | 1967-07-17 | 1968-07-10 | Werkwijze om gestabiliseerde geconcentreerde oplossingen van formaldehyde te bereiden. |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US3658913A (en:Method) |
| AT (1) | AT278733B (en:Method) |
| BE (1) | BE718127A (en:Method) |
| CH (1) | CH496638A (en:Method) |
| CS (1) | CS149631B2 (en:Method) |
| DD (1) | DD68496A5 (en:Method) |
| DE (1) | DE1768915B1 (en:Method) |
| DK (1) | DK134278B (en:Method) |
| ES (1) | ES356209A1 (en:Method) |
| FI (1) | FI49149C (en:Method) |
| FR (1) | FR1576670A (en:Method) |
| NL (1) | NL156679B (en:Method) |
| NO (1) | NO130512C (en:Method) |
| SE (1) | SE364943B (en:Method) |
| YU (1) | YU33183B (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2358856C3 (de) * | 1973-11-26 | 1981-05-21 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Stabilisierung wäßriger Formaldehydlösungen |
| DE3836047A1 (de) * | 1988-10-22 | 1990-04-26 | Degussa | Verfahren zur stabilisierung von waessrigen formaldehydloesungen |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL126167C (en:Method) * | 1964-05-13 |
-
1968
- 1968-07-10 DK DK336968AA patent/DK134278B/da unknown
- 1968-07-10 SE SE09478/68A patent/SE364943B/xx unknown
- 1968-07-10 FI FI681983A patent/FI49149C/fi active
- 1968-07-10 NL NL6809750.A patent/NL156679B/xx not_active IP Right Cessation
- 1968-07-10 NO NO2737/68A patent/NO130512C/no unknown
- 1968-07-11 YU YU1660/68A patent/YU33183B/xx unknown
- 1968-07-11 FR FR1576670D patent/FR1576670A/fr not_active Expired
- 1968-07-12 DE DE19681768915 patent/DE1768915B1/de active Granted
- 1968-07-12 CS CS5141A patent/CS149631B2/cs unknown
- 1968-07-12 AT AT675168A patent/AT278733B/de not_active IP Right Cessation
- 1968-07-15 US US744624A patent/US3658913A/en not_active Expired - Lifetime
- 1968-07-16 BE BE718127D patent/BE718127A/xx not_active IP Right Cessation
- 1968-07-16 ES ES356209A patent/ES356209A1/es not_active Expired
- 1968-07-16 DD DD13349668A patent/DD68496A5/xx unknown
- 1968-07-17 CH CH1066368A patent/CH496638A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DD68496A5 (en:Method) | 1969-08-20 |
| DE1768915B1 (de) | 1972-05-31 |
| CS149631B2 (en:Method) | 1973-07-25 |
| CH496638A (de) | 1970-09-30 |
| NO130512C (en:Method) | 1974-12-27 |
| FI49149C (fi) | 1975-04-10 |
| FI49149B (en:Method) | 1974-12-31 |
| FR1576670A (en:Method) | 1969-08-01 |
| YU166068A (en) | 1975-12-31 |
| NL156679B (nl) | 1978-05-16 |
| NO130512B (en:Method) | 1974-09-16 |
| YU33183B (en) | 1976-06-30 |
| DE1768915C2 (en:Method) | 1973-01-04 |
| DK134278B (da) | 1976-10-11 |
| BE718127A (en:Method) | 1969-01-16 |
| US3658913A (en) | 1972-04-25 |
| DK134278C (en:Method) | 1977-03-07 |
| ES356209A1 (es) | 1970-04-01 |
| SE364943B (en:Method) | 1974-03-11 |
| AT278733B (de) | 1970-02-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: MONTECATINI |
|
| V4 | Discontinued because of reaching the maximum lifetime of a patent |