http://rdf.ncbi.nlm.nih.gov/pubchem/patent/HU-199759-B
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_673f93bff7d2e024ecc729671247673f |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B35-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B38-00 |
| filingDate | 1987-03-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8e7326fce68c4542f068a8265ce00c1e http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_02e81fd9e8aa7335e29bb38019783a73 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6e4573b5c1ca46d1a10ab183c9ba0acd http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_477b5dc3ec51a90a862b2aa24591e970 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a2fce14fa31400bab25f8f86cc936fb4 |
| publicationDate | 1990-03-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | HU-199759-B |
| titleOfInvention | Process for producing porous ceramics or porous and compact products of powder metallurgy |
| abstract | Application of a generally used powder-furan-polymeric acid catalyst system is claimed. - Porous ceramic prods. are prepd. from a still pourable mixt. - This contains ceramic powders, furan- and urea resins and 8 wt. % max surfactant, 10 wt. % max, blowing agent and as a catalyst 3-20 wt. % of a polycondensate of p-m-cresol-sulphonic acid or a urea-sulphonic acid complex. The prepd. mixt. is cast, blown, crosslinked and fired. When the system finds use as a powder metallurgical plasticiser, 20 wt. % max of a 40-60 wt. % furfuryl-alcohol-ammonium chloride mixt and 10 wt. % catalyst mixt is added to the urea resin. - 15 wt. % max n-butyl alcohol or glycerol are also added to the catalyst system. 10 wt. % max of the mix produced is added to a powder suspension of the respective powder metallurgical product. - The thus formulated mixt is granulated, through drying while being atomised The granulated prod. is processed by moulding or sleeker casting, heat treatment and firing. |
| priorityDate | 1987-03-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 53.