DD36499A - - Google Patents
Info
- Publication number
- DD36499A DD36499A DD36499DA DD36499A DD 36499 A DD36499 A DD 36499A DD 36499D A DD36499D A DD 36499DA DD 36499 A DD36499 A DD 36499A
- Authority
- DD
- German Democratic Republic
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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K15/00—Making blacksmiths' goods
- B21K15/02—Making blacksmiths' goods horseshoes; appurtenances therefor
-
- 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
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/823—Preparation processes characterised by the catalyst used for the preparation of polylactones or polylactides
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD7115260 | 1960-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD36499A true DD36499A (fi) |
Family
ID=5477571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD36499D DD36499A (fi) | 1960-12-12 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE611444A (fi) |
| CH (1) | CH404960A (fi) |
| DD (1) | DD36499A (fi) |
| DE (1) | DE36499C (fi) |
| GB (1) | GB988939A (fi) |
| NL (2) | NL121429C (fi) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1429615A (fr) * | 1963-03-23 | 1966-02-25 | Wolfen Filmfab Veb | Procédé de fabrication d'objets en forme à partir de polyglycolide et objets ainsi obtenus |
| NL140261B (nl) * | 1969-03-10 | 1973-11-15 | Shell Int Research | Werkwijze voor het continu polymeriseren van beta-lactonen. |
| IE35855B1 (en) * | 1970-12-18 | 1976-06-09 | Ethicon Inc | Absorbable copolymer suture |
| US4008303A (en) * | 1971-08-30 | 1977-02-15 | American Cyanamid Company | Process for extruding green polyglycolic acid sutures and surgical elements |
| US3839297A (en) * | 1971-11-22 | 1974-10-01 | Ethicon Inc | Use of stannous octoate catalyst in the manufacture of l(-)lactide-glycolide copolymer sutures |
| US4750910A (en) * | 1986-01-22 | 1988-06-14 | Mitsui Toatsu Chemicals, Incorporated | Indigo blue-colored bioabsorbable surgical fibers and production process thereof |
| CN103304786B (zh) * | 2013-05-06 | 2015-12-09 | 常州大学 | 一种连续化制备高分子量聚羟基酸的方法 |
-
0
- DD DD36499D patent/DD36499A/xx unknown
- BE BE611444D patent/BE611444A/xx unknown
- NL NL264931D patent/NL264931A/xx unknown
- DE DENDAT36499D patent/DE36499C/de not_active Expired - Lifetime
- NL NL121429D patent/NL121429C/xx active
-
1961
- 1961-05-18 CH CH583561A patent/CH404960A/de unknown
- 1961-07-18 GB GB2599561A patent/GB988939A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH404960A (de) | 1965-12-31 |
| NL121429C (fi) | |
| BE611444A (fi) | |
| NL264931A (fi) | |
| DE36499C (de) | |
| GB988939A (en) | 1965-04-14 |