http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2003070783-A1
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G73-022 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G73-0286 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G73-0293 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G73-0226 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G73-02 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G73-02 |
| filingDate | 2001-12-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_78d34a641b7256819a45003b9db7be55 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6133da29163f761ff8352e311589deb9 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e0ef28f0b563190e6623638fecefc235 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1ed2fd2d251a2c938aa3221065c4e142 |
| publicationDate | 2003-04-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-2003070783-A1 |
| titleOfInvention | Reduced byproduct high solids polyamine-epihalohydrin compositions |
| abstract | Processes for rendering a polyamine-epihalohydrin resin storage stable, including processes that prepare a storage stable resin and/or processes that treat resins. A composition containing a polyamine-epihalohydrin resin with a solids content of at least 15 wt % treated with at least one enzymatic agent under conditions to at least one of inhibit, reduce and remove the CPD-forming species to obtain a gelation storage stable reduced CPD-forming resin so that the composition containing the reduced CPD-forming polyamine-epihalohydrin resin when stored for 24 hours at 50° C., and a pH of about 1.0 releases less than about 250 ppm dry basis of CPD for wet strength polyamine-epihalohydrin resin and less than about 100 ppm dry basis of CPD for creping polyamine-epihalohydrin resin. A process for treating polyamine-epihalohydrin resin, to reduce the level of the nitrogen-free organohalogen compound by adding at least one microorganism, or at least one enzyme isolated from the at least one microorganism to an aqueous composition containing a solids content of at least 15 wt %, under conditions to dehalogenate the nitrogen-free organohalogen compound so as to reduce a level of the nitrogen-free organohalogen compound while leaving the polyamine-epihalohydrin resin substantially intact. A process for rendering a polyamine-epihalohydrin resin storage stable by treating the resin of less than 15 wt % with at least one enzymatic agent under conditions to at least one of inhibit, reduce and remove the CPD-forming species to obtain a gelation storage stable reduced CPD-forming resin that when stored for 24 hours at 50° C., and a pH of about 1.0 releases less than about 250 ppm dry basis while simultaneously treating the polyamine-epihalohydrin resin by contacting with at least one microorganism, or at least one enzyme isolated from the at least one microorganism, in an amount, and at a pH and temperature effective to dehalogenate residual quantities of organically bound halogen. A paper product containing the storage stable polyamine-epihalohydrin resin, when corrected for adding at about a 1 wt % addition level of the resin, contains less than about 250 ppb of CPD. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2010184902-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7718035-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7175740-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2008050602-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7868071-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9212453-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8268102-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2003205345-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2009036577-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-1703019-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2006207736-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2007218307-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2013081771-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2005006042-A1 |
| priorityDate | 2000-12-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 321.