DE1285479B - Verfahren zur Gewinnung konzentrierter weitgehend salzfreier waessriger Loesungen von o, o, p-Trimethylol-phenol - Google Patents
Verfahren zur Gewinnung konzentrierter weitgehend salzfreier waessriger Loesungen von o, o, p-Trimethylol-phenolInfo
- Publication number
- DE1285479B DE1285479B DEC29438A DEC0029438A DE1285479B DE 1285479 B DE1285479 B DE 1285479B DE C29438 A DEC29438 A DE C29438A DE C0029438 A DEC0029438 A DE C0029438A DE 1285479 B DE1285479 B DE 1285479B
- Authority
- DE
- Germany
- Prior art keywords
- phenol
- aqueous solutions
- concentrated
- production
- trimethylolphenol
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/11—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms
- C07C37/20—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms using aldehydes or ketones
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/11—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms
- C07C37/115—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms using acetals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
- F16C17/03—Sliding-contact bearings for exclusively rotary movement for radial load only with tiltably-supported segments, e.g. Michell bearings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEC29438A DE1285479B (de) | 1963-03-21 | 1963-03-21 | Verfahren zur Gewinnung konzentrierter weitgehend salzfreier waessriger Loesungen von o, o, p-Trimethylol-phenol |
GB8735/64D GB985645A (en) | 1963-03-21 | 1964-03-02 | Chemical process |
FR967666A FR1385305A (fr) | 1963-03-21 | 1964-03-17 | Procédé de préparation de solutions concentrées de o, o, p-triméthylolphénol |
BE645338D BE645338A (xx) | 1963-03-21 | 1964-03-18 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEC29438A DE1285479B (de) | 1963-03-21 | 1963-03-21 | Verfahren zur Gewinnung konzentrierter weitgehend salzfreier waessriger Loesungen von o, o, p-Trimethylol-phenol |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1285479B true DE1285479B (de) | 1968-12-19 |
Family
ID=7018975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEC29438A Pending DE1285479B (de) | 1963-03-21 | 1963-03-21 | Verfahren zur Gewinnung konzentrierter weitgehend salzfreier waessriger Loesungen von o, o, p-Trimethylol-phenol |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE645338A (xx) |
DE (1) | DE1285479B (xx) |
FR (1) | FR1385305A (xx) |
GB (1) | GB985645A (xx) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2091183A (en) * | 1937-08-24 | Water soluble phenol-aldehyde ad | ||
US2579329A (en) * | 1949-10-18 | 1951-12-18 | Gen Electric | Trimethylol phenol compound and derivatives thereof |
US2734085A (en) * | 1956-02-07 | Removal of salts from acetone-phenol mixtures | ||
DE960463C (de) * | 1952-10-08 | 1957-03-21 | Albert Ag Chem Werke | Verfahren zur Herstellung von 2, 4, 6-Trimethylolphenolen |
US3023251A (en) * | 1958-12-12 | 1962-02-27 | Union Carbide Corp | Process for producing aqueous trimethylolphenyl solutions |
-
1963
- 1963-03-21 DE DEC29438A patent/DE1285479B/de active Pending
-
1964
- 1964-03-02 GB GB8735/64D patent/GB985645A/en not_active Expired
- 1964-03-17 FR FR967666A patent/FR1385305A/fr not_active Expired
- 1964-03-18 BE BE645338D patent/BE645338A/xx unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2091183A (en) * | 1937-08-24 | Water soluble phenol-aldehyde ad | ||
US2734085A (en) * | 1956-02-07 | Removal of salts from acetone-phenol mixtures | ||
US2579329A (en) * | 1949-10-18 | 1951-12-18 | Gen Electric | Trimethylol phenol compound and derivatives thereof |
DE960463C (de) * | 1952-10-08 | 1957-03-21 | Albert Ag Chem Werke | Verfahren zur Herstellung von 2, 4, 6-Trimethylolphenolen |
US3023251A (en) * | 1958-12-12 | 1962-02-27 | Union Carbide Corp | Process for producing aqueous trimethylolphenyl solutions |
Also Published As
Publication number | Publication date |
---|---|
GB985645A (en) | 1965-03-10 |
FR1385305A (fr) | 1965-01-08 |
BE645338A (xx) | 1964-09-18 |
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