ES274221A1 - Un procedimiento para preparar polimeros altos de formaldehido - Google Patents
Un procedimiento para preparar polimeros altos de formaldehidoInfo
- Publication number
- ES274221A1 ES274221A1 ES0274221A ES274221A ES274221A1 ES 274221 A1 ES274221 A1 ES 274221A1 ES 0274221 A ES0274221 A ES 0274221A ES 274221 A ES274221 A ES 274221A ES 274221 A1 ES274221 A1 ES 274221A1
- Authority
- ES
- Spain
- Prior art keywords
- concentration
- formaldehyde
- procedure
- preparing high
- quaternary
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
- C08G2/06—Catalysts
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
- C08G2/08—Polymerisation of formaldehyde
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT145661 | 1961-01-27 | ||
| IT1611361 | 1961-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES274221A1 true ES274221A1 (es) | 1962-07-16 |
Family
ID=26325125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES0274221A Expired ES274221A1 (es) | 1961-01-27 | 1962-01-26 | Un procedimiento para preparar polimeros altos de formaldehido |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3505291A (OSRAM) |
| BE (1) | BE613145A (OSRAM) |
| DE (1) | DE1520246B2 (OSRAM) |
| ES (1) | ES274221A1 (OSRAM) |
| GB (1) | GB939472A (OSRAM) |
| NL (1) | NL274052A (OSRAM) |
-
0
- NL NL274052D patent/NL274052A/xx unknown
- BE BE613145D patent/BE613145A/xx unknown
-
1962
- 1962-01-24 DE DE19621520246 patent/DE1520246B2/de active Pending
- 1962-01-26 GB GB3065/62A patent/GB939472A/en not_active Expired
- 1962-01-26 ES ES0274221A patent/ES274221A1/es not_active Expired
-
1966
- 1966-07-26 US US629034A patent/US3505291A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE1520246B2 (de) | 1971-09-23 |
| GB939472A (en) | 1963-10-16 |
| DE1520246A1 (de) | 1969-04-17 |
| US3505291A (en) | 1970-04-07 |
| NL274052A (OSRAM) | |
| BE613145A (OSRAM) |
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