Solvent-activated color forming compositions
The present invention relates to solvent-activated and solvent-sensitive color forming compositions, their method of making and method of use. Color-forming compositions comprising (i) a solvent absorbing material such as a polymer; (ii) a color-former or chelating agent compounded with the solvent...
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| creator | Elhard, Joel D Heggs, Richard P |
| description | The present invention relates to solvent-activated and solvent-sensitive color forming compositions, their method of making and method of use.
Color-forming compositions comprising (i) a solvent absorbing material such as a polymer; (ii) a color-former or chelating agent compounded with the solvent absorbing material; and (iii) a source of metal ions, whereby the metal ions complex with the color former as the solvent absorbing material absorbs the solvent, resulting in a detectable color change of the solvent absorbing material. Both reversible and irreversible versions of these color-forming compositions are provided. |
| format | Patent |
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Color-forming compositions comprising (i) a solvent absorbing material such as a polymer; (ii) a color-former or chelating agent compounded with the solvent absorbing material; and (iii) a source of metal ions, whereby the metal ions complex with the color former as the solvent absorbing material absorbs the solvent, resulting in a detectable color change of the solvent absorbing material. Both reversible and irreversible versions of these color-forming compositions are provided.</description><language>eng</language><creationdate>2004</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6680205$$EPDF$$P50$$Guspatents$$Hfree_for_read</linktopdf><link.rule.ids>230,308,780,802,885,64039</link.rule.ids><linktorsrc>$$Uhttps://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6680205$$EView_record_in_USPTO$$FView_record_in_$$GUSPTO$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Elhard, Joel D</creatorcontrib><creatorcontrib>Heggs, Richard P</creatorcontrib><creatorcontrib>Battelle Memorial Instittue</creatorcontrib><title>Solvent-activated color forming compositions</title><description>The present invention relates to solvent-activated and solvent-sensitive color forming compositions, their method of making and method of use.
Color-forming compositions comprising (i) a solvent absorbing material such as a polymer; (ii) a color-former or chelating agent compounded with the solvent absorbing material; and (iii) a source of metal ions, whereby the metal ions complex with the color former as the solvent absorbing material absorbs the solvent, resulting in a detectable color change of the solvent absorbing material. Both reversible and irreversible versions of these color-forming compositions are provided.</description><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2004</creationdate><recordtype>patent</recordtype><sourceid>EFH</sourceid><recordid>eNrjZNAJzs8pS80r0U1MLsksSyxJTVFIzs_JL1JIyy_KzcxLB_JyC_KLM0sy8_OKeRhY0xJzilN5oTQ3g4Kba4izh25pcQFQa15JcXx6USKIMjAzszAwMjA1JkIJALUHK1w</recordid><startdate>20040120</startdate><enddate>20040120</enddate><creator>Elhard, Joel D</creator><creator>Heggs, Richard P</creator><scope>EFH</scope></search><sort><creationdate>20040120</creationdate><title>Solvent-activated color forming compositions</title><author>Elhard, Joel D ; Heggs, Richard P</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-uspatents_grants_066802053</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2004</creationdate><toplevel>online_resources</toplevel><creatorcontrib>Elhard, Joel D</creatorcontrib><creatorcontrib>Heggs, Richard P</creatorcontrib><creatorcontrib>Battelle Memorial Instittue</creatorcontrib><collection>USPTO Issued Patents</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Elhard, Joel D</au><au>Heggs, Richard P</au><aucorp>Battelle Memorial Instittue</aucorp><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Solvent-activated color forming compositions</title><date>2004-01-20</date><risdate>2004</risdate><abstract>The present invention relates to solvent-activated and solvent-sensitive color forming compositions, their method of making and method of use.
Color-forming compositions comprising (i) a solvent absorbing material such as a polymer; (ii) a color-former or chelating agent compounded with the solvent absorbing material; and (iii) a source of metal ions, whereby the metal ions complex with the color former as the solvent absorbing material absorbs the solvent, resulting in a detectable color change of the solvent absorbing material. Both reversible and irreversible versions of these color-forming compositions are provided.</abstract><oa>free_for_read</oa></addata></record> |
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| title | Solvent-activated color forming compositions |
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