http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CA-1223687-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_0d78cd2835221849f6a74e6349185819 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C12P7-62 |
| filingDate | 1983-07-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1987-06-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_81d66b3aba899c87381cfbf30758085e http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_34f9ff04dc06278c3617df26ca759589 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c58d84af46cb9568430e1d80c272beb9 |
| publicationDate | 1987-06-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CA-1223687-A |
| titleOfInvention | 3-hydroxybutyrate polymers |
| abstract | Abstract 3-hydroxybutyrate polymers High molecular weight copolymers containing 3-hydroxybutyrate residues, i.e. units of the formaula -O.CH(CH3).CH2.CO-and up to 50 mole % of residues of other hydroxy acids, viz units of the formula -0.CR1R2.(CR3R4)n.CO-where n is 0 or an integer and, if n = 1 and R3, H3, and R4 = H,R1 is not methyl. The copolymers are made microbiologically: for part of the cultivation the micro-organism is under conditions such that polymer is accumulated, e.g. by limitation of a nutrient, e.g. nitrogen source, required for growth but not polyester accumulation. For at least part of this period of polymer accumation the substrate is an acid or a derivative thereof that gives the comonomer units. Propionic acid, which gives polymers where n = 1, R2=R3=R4=H and R1 = C2H5, is the preferred acid. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5302525-A |
| priorityDate | 1983-07-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 114.