| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_31f87c170ea6e478544c388bd11bb684 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21H17-70
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21H23-04 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21H17-70 |
| filingDate |
2000-02-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2002-04-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4e0ed2458e410a851f6598de66c18462
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_dc8589be3fcfe656bd82a33e8a160f03
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2db9e460244c24928f4cd3eba1f7c064
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6617071b9f2332ea6e07c0c19a185265 |
| publicationDate |
2002-04-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-6379498-B1 |
| titleOfInvention |
Method for adding an adsorbable chemical additive to pulp during the pulp processing and products made by said method |
| abstract |
Pulp fibers can be treated with adsorbable chemicals with a minimal amount of unadsorbed chemical additives present later in the papermaking process water. A method for adding an adsorbable chemical to pulp includes mixing pulp fibers that have never been dried with water to form a fiber slurry. An adsorbable chemical additive is added to the fiber slurry. The fiber slurry having the adsorbable chemical additive is transported to a web-forming apparatus where a wet fibrous web is formed. The wet fibrous web may be dried to a predetermined consistency thereby forming a dried fibrous web having from between about 10 to about 100 percent retention of the adsorbable chemical additive. The dried fibrous web is transported to a paper machine where the dried fibrous web is mixed with water to form a wet slurry. In other embodiments, the fiber slurry can be processed to provide crumb fibers or wet lap fibers. The wet slurry containing the fibers having the adsorbable chemical additive adhered thereto is transported through the paper machine to form a finished paper or tissue product having enhanced quality due to the retention of the adsorbable chemical additive on the pulp fibers. |
| isCitedBy |
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| priorityDate |
2000-02-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |