USE OF IMINODISUCCINIC ACID SALT
PROBLEM TO BE SOLVED: To develop an easily bio-degradable chelating agent that has no eco-toxicological insufficiency, for example, iminodisuccinic acid, and increase the luminance and the brightness of vegetable fiber used in the paper making. SOLUTION: In the method for making paper that contains...
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| creator | JOENTGEN WINFRIED DR GROTH TORSTEN DR ROICK THOMAS DR WAGNER PAUL DOEBERT FRANK WENDEROTH ECKHARD |
| description | PROBLEM TO BE SOLVED: To develop an easily bio-degradable chelating agent that has no eco-toxicological insufficiency, for example, iminodisuccinic acid, and increase the luminance and the brightness of vegetable fiber used in the paper making. SOLUTION: In the method for making paper that contains the process step for treating fiber-including thermo-mechanically treated pulp, the iminodisuccinic acid alkali salt is added to the pulp for bleaching. In a prefferred embodiment, the iminodisuccinic acid alkali metal salt is used in the pre-treatment of the fiber. In another prefferred embodiment, the iminodisuccinic acid alkali salt is used for the reductive or oxidative bleaching of the fiber. COPYRIGHT: (C)2008,JPO&INPIT |
| format | Patent |
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SOLUTION: In the method for making paper that contains the process step for treating fiber-including thermo-mechanically treated pulp, the iminodisuccinic acid alkali salt is added to the pulp for bleaching. In a prefferred embodiment, the iminodisuccinic acid alkali metal salt is used in the pre-treatment of the fiber. In another prefferred embodiment, the iminodisuccinic acid alkali salt is used for the reductive or oxidative bleaching of the fiber. COPYRIGHT: (C)2008,JPO&INPIT</description><language>eng</language><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS ; APPARATUS THEREFOR ; CHEMISTRY ; IMPREGNATING OR COATING OF PAPER ; METALLURGY ; ORGANIC CHEMISTRY ; PAPER NOT OTHERWISE PROVIDED FOR ; PAPER-MAKING ; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D ; PRODUCTION OF CELLULOSE ; PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS ; PULP COMPOSITIONS ; REGENERATION OF PULPING LIQUORS ; TEXTILES ; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G</subject><creationdate>2007</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20071220&DB=EPODOC&CC=JP&NR=2007327168A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20071220&DB=EPODOC&CC=JP&NR=2007327168A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>JOENTGEN WINFRIED DR</creatorcontrib><creatorcontrib>GROTH TORSTEN DR</creatorcontrib><creatorcontrib>ROICK THOMAS DR</creatorcontrib><creatorcontrib>WAGNER PAUL</creatorcontrib><creatorcontrib>DOEBERT FRANK</creatorcontrib><creatorcontrib>WENDEROTH ECKHARD</creatorcontrib><title>USE OF IMINODISUCCINIC ACID SALT</title><description>PROBLEM TO BE SOLVED: To develop an easily bio-degradable chelating agent that has no eco-toxicological insufficiency, for example, iminodisuccinic acid, and increase the luminance and the brightness of vegetable fiber used in the paper making. SOLUTION: In the method for making paper that contains the process step for treating fiber-including thermo-mechanically treated pulp, the iminodisuccinic acid alkali salt is added to the pulp for bleaching. In a prefferred embodiment, the iminodisuccinic acid alkali metal salt is used in the pre-treatment of the fiber. In another prefferred embodiment, the iminodisuccinic acid alkali salt is used for the reductive or oxidative bleaching of the fiber. 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SOLUTION: In the method for making paper that contains the process step for treating fiber-including thermo-mechanically treated pulp, the iminodisuccinic acid alkali salt is added to the pulp for bleaching. In a prefferred embodiment, the iminodisuccinic acid alkali metal salt is used in the pre-treatment of the fiber. In another prefferred embodiment, the iminodisuccinic acid alkali salt is used for the reductive or oxidative bleaching of the fiber. COPYRIGHT: (C)2008,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMISTRY IMPREGNATING OR COATING OF PAPER METALLURGY ORGANIC CHEMISTRY PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS PULP COMPOSITIONS REGENERATION OF PULPING LIQUORS TEXTILES TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G |
| title | USE OF IMINODISUCCINIC ACID SALT |
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