http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4483744-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_51cebad26232fce258213371024eb249 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21H17-62 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21H17-62 |
| filingDate | 1982-05-12^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1984-11-20^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ebb931c91fada46a7ca6f511c799216b |
| publicationDate | 1984-11-20^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-4483744-A |
| titleOfInvention | Sizing agents for cellulosic products |
| abstract | Improved sizing compositions for cellulosic products, e.g., paper, are provided by combining first and second composition components while at least the second component is finely divided into fine liquid or solid particles. Component combination in this manner serves to provide especially effective sizing compositions. The first component comprises a material which provides both ammonia and ammonium salt when combined with other materials in the composition. Such ammonia-ammonium salt-providing material comprises at least one material selected from the group consisting of ammonia, or a precursor thereof; ammonium salts, or a precursor thereof; a reaction product of urea and at least one selected Lewis acid; and mixtures of these materials. The second component comprises a saponified, partially saponified or unsaponified rosin that is modified with either an alpha , beta -unsaturated aliphatic acid generally containing from about 3 to 10 carbon atoms, an anhydride of such acids, or mixtures thereof. The improved sizing compositions produced comprise ammonia, ammonium salt and modified rosin, which components are present in sizing-effective or sizing-enhancing amounts, such that a total acidity of the composition of at least about 1000 parts per million is realized. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11020878-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9212240-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4699663-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-3341183-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4681909-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2016059440-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2016066441-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6416628-B1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-4001333-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-102014222259-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6572736-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2010196708-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4605445-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-102021200580-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10744678-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-102013217880-A1 |
| priorityDate | 1979-03-14^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
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