ALTERING THE CRYSTAL SIZE DISTRIBUTION OF N-(PHOSPHONOMETHYL) IMINODIACETIC ACID FOR IMPROVED FILTRATION AND PRODUCT QUALITY
Improved processes for preparing and crystallizing N-(phosphonomethyl)iminodiacetic acid are provided. The processes include adding N-(phosphonomethyl)iminodiacetic acid seed crystals to N-(phosphonomethyl)iminodiacetic acid reaction solutions. Provided are beds of crystallized N-(phosphonomethyl)im...
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| creator | FRIEDMAN, TODD C BAYSDON, SHERROL LEE RANGACHARI, SUNDER S BECHER, DAVID Z |
| description | Improved processes for preparing and crystallizing N-(phosphonomethyl)iminodiacetic acid are provided. The processes include adding N-(phosphonomethyl)iminodiacetic acid seed crystals to N-(phosphonomethyl)iminodiacetic acid reaction solutions. Provided are beds of crystallized N-(phosphonomethyl)iminodiacetic acid having improved permeability and filtration rate and reduced impurities.
L'invention concerne des procédés améliorés permettant de préparer et de cristalliser de l'acide N-(phosphonométhyl)iminodiacétique. Selon lesdits procédés, il est prévu d'ajouter des cristaux germes d'acide N-(phosphonométhyl)iminodiacétique à des solutions de réaction d'acide N-(phosphonométhyl)iminodiacétique. L'invention concerne des lits d'acide N-(phosphonométhyl)iminodiacétique cristallisé présentant un meilleur niveau de perméabilité et de filtration et un taux réduit d'impuretés. |
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L'invention concerne des procédés améliorés permettant de préparer et de cristalliser de l'acide N-(phosphonométhyl)iminodiacétique. Selon lesdits procédés, il est prévu d'ajouter des cristaux germes d'acide N-(phosphonométhyl)iminodiacétique à des solutions de réaction d'acide N-(phosphonométhyl)iminodiacétique. L'invention concerne des lits d'acide N-(phosphonométhyl)iminodiacétique cristallisé présentant un meilleur niveau de perméabilité et de filtration et un taux réduit d'impuretés.</description><language>eng ; fre</language><subject>ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM ; CHEMISTRY ; METALLURGY ; ORGANIC CHEMISTRY</subject><creationdate>2006</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=20061102&DB=EPODOC&CC=CA&NR=2605406A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25547,76298</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20061102&DB=EPODOC&CC=CA&NR=2605406A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FRIEDMAN, TODD C</creatorcontrib><creatorcontrib>BAYSDON, SHERROL LEE</creatorcontrib><creatorcontrib>RANGACHARI, SUNDER S</creatorcontrib><creatorcontrib>BECHER, DAVID Z</creatorcontrib><title>ALTERING THE CRYSTAL SIZE DISTRIBUTION OF N-(PHOSPHONOMETHYL) IMINODIACETIC ACID FOR IMPROVED FILTRATION AND PRODUCT QUALITY</title><description>Improved processes for preparing and crystallizing N-(phosphonomethyl)iminodiacetic acid are provided. The processes include adding N-(phosphonomethyl)iminodiacetic acid seed crystals to N-(phosphonomethyl)iminodiacetic acid reaction solutions. Provided are beds of crystallized N-(phosphonomethyl)iminodiacetic acid having improved permeability and filtration rate and reduced impurities.
L'invention concerne des procédés améliorés permettant de préparer et de cristalliser de l'acide N-(phosphonométhyl)iminodiacétique. Selon lesdits procédés, il est prévu d'ajouter des cristaux germes d'acide N-(phosphonométhyl)iminodiacétique à des solutions de réaction d'acide N-(phosphonométhyl)iminodiacétique. L'invention concerne des lits d'acide N-(phosphonométhyl)iminodiacétique cristallisé présentant un meilleur niveau de perméabilité et de filtration et un taux réduit d'impuretés.</description><subject>ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM</subject><subject>CHEMISTRY</subject><subject>METALLURGY</subject><subject>ORGANIC CHEMISTRY</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2006</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjL0KwjAUhbs4iPoOd9ShUP-6X5PUXEiTmtwKdSlF4iRaqKMPbxEfwOHwcT4OZ5q80bDyZI_AWoHwTWA0EOiiQFJgT4eayVlwBdh0WWkXxlhXKtaNWQGVZJ0kFIpJAAqSUDg_6sq7sxoLGfb4fUArYbSyFgynGg1xM08mt-4-xMWPswQKxUKnsX-2cei7a3zEVytwk2f7XZbjevvH5AM_PTrm</recordid><startdate>20061102</startdate><enddate>20061102</enddate><creator>FRIEDMAN, TODD C</creator><creator>BAYSDON, SHERROL LEE</creator><creator>RANGACHARI, SUNDER S</creator><creator>BECHER, DAVID Z</creator><scope>EVB</scope></search><sort><creationdate>20061102</creationdate><title>ALTERING THE CRYSTAL SIZE DISTRIBUTION OF N-(PHOSPHONOMETHYL) IMINODIACETIC ACID FOR IMPROVED FILTRATION AND PRODUCT QUALITY</title><author>FRIEDMAN, TODD C ; BAYSDON, SHERROL LEE ; RANGACHARI, SUNDER S ; BECHER, DAVID Z</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CA2605406A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2006</creationdate><topic>ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM</topic><topic>CHEMISTRY</topic><topic>METALLURGY</topic><topic>ORGANIC CHEMISTRY</topic><toplevel>online_resources</toplevel><creatorcontrib>FRIEDMAN, TODD C</creatorcontrib><creatorcontrib>BAYSDON, SHERROL LEE</creatorcontrib><creatorcontrib>RANGACHARI, SUNDER S</creatorcontrib><creatorcontrib>BECHER, DAVID Z</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>FRIEDMAN, TODD C</au><au>BAYSDON, SHERROL LEE</au><au>RANGACHARI, SUNDER S</au><au>BECHER, DAVID Z</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>ALTERING THE CRYSTAL SIZE DISTRIBUTION OF N-(PHOSPHONOMETHYL) IMINODIACETIC ACID FOR IMPROVED FILTRATION AND PRODUCT QUALITY</title><date>2006-11-02</date><risdate>2006</risdate><abstract>Improved processes for preparing and crystallizing N-(phosphonomethyl)iminodiacetic acid are provided. The processes include adding N-(phosphonomethyl)iminodiacetic acid seed crystals to N-(phosphonomethyl)iminodiacetic acid reaction solutions. Provided are beds of crystallized N-(phosphonomethyl)iminodiacetic acid having improved permeability and filtration rate and reduced impurities.
L'invention concerne des procédés améliorés permettant de préparer et de cristalliser de l'acide N-(phosphonométhyl)iminodiacétique. Selon lesdits procédés, il est prévu d'ajouter des cristaux germes d'acide N-(phosphonométhyl)iminodiacétique à des solutions de réaction d'acide N-(phosphonométhyl)iminodiacétique. L'invention concerne des lits d'acide N-(phosphonométhyl)iminodiacétique cristallisé présentant un meilleur niveau de perméabilité et de filtration et un taux réduit d'impuretés.</abstract><oa>free_for_read</oa></addata></record> |
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| title | ALTERING THE CRYSTAL SIZE DISTRIBUTION OF N-(PHOSPHONOMETHYL) IMINODIACETIC ACID FOR IMPROVED FILTRATION AND PRODUCT QUALITY |
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