| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d8b678276c064651cef87d354c7c9bcd |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C23C22-66 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B05D7-14
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C23C22-56
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C23C22-66 |
| filingDate |
1978-03-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1981-11-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_98ad612ed54d51a831058d86302abccc
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_33f592b469cd9616622bfe9a300b0853 |
| publicationDate |
1981-11-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CA-1112135-A |
| titleOfInvention |
Aluminum treatment |
| abstract |
ALUMINUM TREATMENT ABSTRACT OF THE DISCLOSURE A chromium-free treatment for aluminum imparts corrosion resistance and paint receptivity to the surface. The process is sequential and includes a first contact with an aqueous alkaline solution (pH above 10) containing complexed iron ion, water rinsing, and then contact with an aqueous acidic organic tannin-containing composition. |
| priorityDate |
1977-03-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |