RO56031A - - Google Patents
Info
- Publication number
- RO56031A RO56031A RO64026A RO6402670A RO56031A RO 56031 A RO56031 A RO 56031A RO 64026 A RO64026 A RO 64026A RO 6402670 A RO6402670 A RO 6402670A RO 56031 A RO56031 A RO 56031A
- Authority
- RO
- Romania
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D305/00—Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms
- C07D305/02—Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms not condensed with other rings
- C07D305/10—Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms not condensed with other rings having one or more double bonds between ring members or between ring members and non-ring members
- C07D305/12—Beta-lactones
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/02—Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen
- C07C69/12—Acetic acid esters
- C07C69/14—Acetic acid esters of monohydroxylic compounds
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- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
- C08G63/08—Lactones or lactides
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691940206 DE1940206C3 (de) | 1969-08-07 | ß-Acetoxypivalinsäureanhydrid, sowie Verfahren zu seiner Herstellung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO56031A true RO56031A (ro) | 1974-02-01 |
Family
ID=5742175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO64026A RO56031A (ro) | 1969-08-07 | 1970-07-23 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3642875A (ro) |
| AT (1) | AT299906B (ro) |
| BE (1) | BE754591A (ro) |
| CH (1) | CH528460A (ro) |
| ES (1) | ES382482A1 (ro) |
| FR (1) | FR2056721A5 (ro) |
| GB (1) | GB1292440A (ro) |
| NL (1) | NL7011220A (ro) |
| RO (1) | RO56031A (ro) |
| ZA (1) | ZA705333B (ro) |
-
0
- BE BE754591D patent/BE754591A/xx unknown
-
1970
- 1970-07-23 RO RO64026A patent/RO56031A/ro unknown
- 1970-07-28 US US59009A patent/US3642875A/en not_active Expired - Lifetime
- 1970-07-29 NL NL7011220A patent/NL7011220A/xx unknown
- 1970-08-03 ZA ZA705333A patent/ZA705333B/xx unknown
- 1970-08-05 AT AT712370A patent/AT299906B/de not_active IP Right Cessation
- 1970-08-05 ES ES382482A patent/ES382482A1/es not_active Expired
- 1970-08-05 CH CH1180270A patent/CH528460A/de not_active IP Right Cessation
- 1970-08-06 GB GB37981/70A patent/GB1292440A/en not_active Expired
- 1970-08-07 FR FR7029217A patent/FR2056721A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1940206A1 (de) | 1971-02-18 |
| GB1292440A (en) | 1972-10-11 |
| BE754591A (fr) | 1971-02-08 |
| US3642875A (en) | 1972-02-15 |
| ZA705333B (en) | 1971-05-27 |
| ES382482A1 (es) | 1973-04-16 |
| CH528460A (de) | 1972-09-30 |
| DE1940206B2 (de) | 1977-02-10 |
| FR2056721A5 (ro) | 1971-05-14 |
| AT299906B (de) | 1972-07-10 |
| NL7011220A (ro) | 1971-02-09 |