UA6302A1 - METHOD OF OBTAINING A POLYMER CONTAINING RINGS -O.SN (SN) SN CO3 2 - Google Patents
METHOD OF OBTAINING A POLYMER CONTAINING RINGS -O.SN (SN) SN CO3 2Info
- Publication number
- UA6302A1 UA6302A1 UA3359451A UA3359451A UA6302A1 UA 6302 A1 UA6302 A1 UA 6302A1 UA 3359451 A UA3359451 A UA 3359451A UA 3359451 A UA3359451 A UA 3359451A UA 6302 A1 UA6302 A1 UA 6302A1
- Authority
- UA
- Ukraine
- Prior art keywords
- polymer containing
- phosphorus
- nitrogen
- obtaining
- containing rings
- Prior art date
Links
Landscapes
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
A process for the production of polymer containing units of the formula -O.CH(CH3)CH2CO- wherein a microorganism that is capable of accumulating a poly---hydroxy-butanoic acid is cultivated in an aqueous medium characterised in that, at least during part of the period when polyester is being accumulated, the substrate comprises an organic acid, or derivative thereof as assimilable carbon source and assimilable sources of nitrogen and phosphorus. In order to increase thermoplasticity due to lowering crystallinity and crispness thereof cultivation is carried out up to complete assimilation of nitrogen and/or phosphorus.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8120991 | 1981-07-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
UA6302A1 true UA6302A1 (en) | 1994-12-29 |
Family
ID=10523085
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
UA3359451A UA6302A1 (en) | 1981-07-07 | 1981-11-17 | METHOD OF OBTAINING A POLYMER CONTAINING RINGS -O.SN (SN) SN CO3 2 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS5869224A (en) |
SU (1) | SU1375143A3 (en) |
UA (1) | UA6302A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63269989A (en) * | 1987-04-28 | 1988-11-08 | Yoshiharu Doi | Copolymer and production thereof |
JPS6469622A (en) * | 1987-09-09 | 1989-03-15 | Mitsubishi Gas Chemical Co | Preparation of copolymer |
JPH07113055B2 (en) * | 1987-08-18 | 1995-12-06 | 三菱化学株式会社 | Polyester copolymer and method for producing the same |
US4876331A (en) * | 1987-08-18 | 1989-10-24 | Mitsubishi Kasei Corporation | Copolyester and process for producing the same |
JPH0465425A (en) * | 1990-07-06 | 1992-03-02 | Showa Denko Kk | Copolymer and its production |
GB9314577D0 (en) * | 1993-07-14 | 1993-08-25 | Zeneca Ltd | Adhesion process |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2948023A1 (en) * | 1979-11-29 | 1981-06-04 | Bayer Ag, 5090 Leverkusen | (BETA) HYDROXIBUTTER ACID POLYESTER, METHOD FOR THE PRODUCTION THEREOF AND THEIR USE AS LACQUER RAW MATERIALS |
DE3168826D1 (en) * | 1980-11-18 | 1985-03-21 | Ici Plc | Polymer blends |
-
1981
- 1981-11-17 UA UA3359451A patent/UA6302A1/en unknown
- 1981-11-17 SU SU813359451A patent/SU1375143A3/en active
-
1982
- 1982-07-07 JP JP57118316A patent/JPS5869224A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
SU1375143A3 (en) | 1988-02-15 |
JPS5869224A (en) | 1983-04-25 |
JPH0438763B2 (en) | 1992-06-25 |
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