http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-S63137179-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5ac17835c97e6c72213815ca74845386 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C23C22-73 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C23C22-23 |
| filingDate | 1986-11-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_93185a56723e24deb5975f3b7f4322a9 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_da7f039961800630b625a727338556f5 |
| publicationDate | 1988-06-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-S63137179-A |
| titleOfInvention | Formation of laminated phosphate film |
| abstract | PURPOSE: To remarkably improve the corrosion resistance and adhesion of a covered layer when a phosphate film is covered a layer electrodeposition, by forming a second phosphate film contg. condensed phosphoric acid on a phosphate film formed on an iron sheet or the like to obtain the laminated phosphate film. n CONSTITUTION: A phosphate film is formed on an iron sheet or a galvanized iron sheet with a treating agent contg. practically no condensed phosphoric acid. A second phosphate film consisting of ultrafine grains is then formed with a treating agent contg. 0.1W1.5g/l zinc ions, 5W30g/l phosphate ions and 1W30g/l condensed phosphoric acid. Thus, a laminated phosphate film consisting of coarse- and fine-grained layers and having superior corrosion resistance and adhesion is obtd. The condensed phosphoric acid is preferably composed of one or more kins of compds. selected among pyrophosphoric acid, metaphosphoric acid, polyphosphoric acid, salts of the acids and phosphorus pentoxide. n COPYRIGHT: (C)1988,JPO&Japio |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2002263564-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-4617009-B2 |
| priorityDate | 1986-11-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 29.