ES297257A1 - A procedure for the preparation of a stabilized formaldehyde solution (Machine-translation by Google Translate, not legally binding) - Google Patents
A procedure for the preparation of a stabilized formaldehyde solution (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES297257A1 ES297257A1 ES297257A ES297257A ES297257A1 ES 297257 A1 ES297257 A1 ES 297257A1 ES 297257 A ES297257 A ES 297257A ES 297257 A ES297257 A ES 297257A ES 297257 A1 ES297257 A1 ES 297257A1
- Authority
- ES
- Spain
- Prior art keywords
- translation
- preparation
- machine
- legally binding
- *** translate
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C47/00—Compounds having —CHO groups
- C07C47/02—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen
- C07C47/04—Formaldehyde
-
- 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
- C07C45/85—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Treating Waste Gases (AREA)
Abstract
A process for the preparation of a formaldehyde solution stabilized by forming a solution containing formaldehyde and polyuret as defined in the specification, in relative proportions such that 4 to 10 moles of formaldehyde are present per mole of polyuret, and maintaining the solution at a temperature of at least 50º C for some time. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL289888 | 1963-03-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES297257A1 true ES297257A1 (en) | 1964-08-16 |
Family
ID=19754487
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES297257A Expired ES297257A1 (en) | 1963-03-06 | 1964-03-05 | A procedure for the preparation of a stabilized formaldehyde solution (Machine-translation by Google Translate, not legally binding) |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE644768A (en) |
CH (1) | CH454818A (en) |
DE (2) | DE1217354B (en) |
ES (1) | ES297257A1 (en) |
GB (1) | GB1035123A (en) |
NL (1) | NL289888A (en) |
SE (1) | SE331987B (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2378110A (en) * | 1942-07-08 | 1945-06-12 | Libbey Owens Ford Glass Co | Biuret derivatives |
US2488363A (en) * | 1946-08-01 | 1949-11-15 | Du Pont | Stabilization of formaldehyde |
-
0
- NL NL289888D patent/NL289888A/xx unknown
-
1964
- 1964-03-02 GB GB874264A patent/GB1035123A/en not_active Expired
- 1964-03-04 SE SE262964A patent/SE331987B/xx unknown
- 1964-03-05 BE BE644768D patent/BE644768A/xx unknown
- 1964-03-05 ES ES297257A patent/ES297257A1/en not_active Expired
- 1964-03-05 CH CH286964A patent/CH454818A/en unknown
- 1964-03-06 DE DEST21802A patent/DE1217354B/en active Pending
- 1964-03-06 DE DEST24324A patent/DE1229508B/en active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1035123A (en) | 1966-07-06 |
SE331987B (en) | 1971-01-25 |
NL289888A (en) | |
BE644768A (en) | 1964-09-07 |
CH454818A (en) | 1968-04-30 |
DE1217354B (en) | 1966-05-26 |
DE1229508B (en) | 1966-12-01 |
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