http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CA-2111728-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_805883408c251b3b421ba4bcfb2c0eb7 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21H19-32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D19-0409 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G77-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03G9-08773 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09D7-65 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21H19-32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G77-36 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09D7-65 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G77-32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G77-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G77-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03G9-087 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D19-04 |
| filingDate | 1993-12-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5993217f926aca3aa7c7807a3bbb289c http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_93210aad378c49809d456272699ff688 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_926ad1532518e1a7f001d8f16f0fbf52 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2aec532727888e436e452006bab2598d |
| publicationDate | 1994-06-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CA-2111728-A1 |
| titleOfInvention | Process for the Preparation of an Organopolysiloxane Resin |
| abstract | Process for the preparation of an organopolysiloxane resin, which comprises in a first stage reacting at least one silane of the formula RaSi(OR1)4-a (I) in which a has a value of 0, 1, 2 or 3, R and R1 are monovalent organic radicals which may be the same or different and/or a partial hydrolyzate thereof, with the proviso that at least one silane of formula (I), where a is 0 or 1 and/or a partial hydrolyzate thereof is employed, and optionally an organo(poly)siloxane with water in the presence of a poly-protic acid and optionally other substances, subsequently partly neutralizing the acid by addition of a base and then distilling off at least some of the compound R1OH formed, in a second stage reacting the homogeneous reaction mass resulting from the first stage in the presence of a base and a water-insoluble organic solvent and distilling off the water and the compound R1OH, in a third stage, bringing the homogeneous reaction mass resulting from the second stage to a pH of between 6 and 8 by buffering with a poly-protic acid and/or salts thereof, distilling off the water and any compound R1OH still present and filtering off the salt which has precipitated, and optionally, in a fourth stage separating the homogeneous reaction mass resulting from the third stage from the water-insoluble organic solvent. |
| priorityDate | 1992-12-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 30.