| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_055b6b8232d2e84225a545e9206f1ddd |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S83-912 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B65D27-32
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B43M7-004 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B65B43-26
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B43M7-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B65D27-32
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B65B69-00 |
| filingDate |
1980-04-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_436e54fe2f273c3efff3e0022e8dae30 |
| publicationDate |
1981-01-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0020484-A1 |
| titleOfInvention |
Folded paper edge opening process |
| abstract |
Method for opening a cellulosic paper envelope in which at least one edge of the envelope is applied, as the sole reaction agent with cellulose, a non-deleterious organic acid having at least a pK value at room temperature between 1.5 and 5 approximately, after which heat is applied and a slight mechanical action is exerted on the edge of the envelope. |
| priorityDate |
1978-09-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |