Water-soluble blocking wax formulation
The present invention relates to contact lens manufacturing, and more particularly relates to improved compositions and methods for blocking a contact lens button (also termed a contact lens blank or precursor) for machining operations which form the button into a wearable contact lens. The inventio...
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| creator | Bonafini, Jr., James A Parrinello, Anthony D Tinios, Peter J |
| description | The present invention relates to contact lens manufacturing, and more particularly relates to improved compositions and methods for blocking a contact lens button (also termed a contact lens blank or precursor) for machining operations which form the button into a wearable contact lens.
The invention provides, in a first embodiment, a blocking wax composition. The blocking wax comprises from about 50 to about 90 weight percent of a water-soluble continuous phase and from about 10 to about 50 weight percent of a discontinuous solid phase filler that is substantially inert to the continuous phase. The invention further provides a method for mounting a contact lens blank for machining. |
| format | Patent |
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The invention provides, in a first embodiment, a blocking wax composition. The blocking wax comprises from about 50 to about 90 weight percent of a water-soluble continuous phase and from about 10 to about 50 weight percent of a discontinuous solid phase filler that is substantially inert to the continuous phase. The invention further provides a method for mounting a contact lens blank for machining.</description><language>eng</language><creationdate>2003</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/6586499$$EPDF$$P50$$Guspatents$$Hfree_for_read</linktopdf><link.rule.ids>230,308,780,802,885,64039</link.rule.ids><linktorsrc>$$Uhttps://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6586499$$EView_record_in_USPTO$$FView_record_in_$$GUSPTO$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Bonafini, Jr., James A</creatorcontrib><creatorcontrib>Parrinello, Anthony D</creatorcontrib><creatorcontrib>Tinios, Peter J</creatorcontrib><creatorcontrib>Bausch & Lomb Incorporated</creatorcontrib><title>Water-soluble blocking wax formulation</title><description>The present invention relates to contact lens manufacturing, and more particularly relates to improved compositions and methods for blocking a contact lens button (also termed a contact lens blank or precursor) for machining operations which form the button into a wearable contact lens.
The invention provides, in a first embodiment, a blocking wax composition. The blocking wax comprises from about 50 to about 90 weight percent of a water-soluble continuous phase and from about 10 to about 50 weight percent of a discontinuous solid phase filler that is substantially inert to the continuous phase. The invention further provides a method for mounting a contact lens blank for machining.</description><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2003</creationdate><recordtype>patent</recordtype><sourceid>EFH</sourceid><recordid>eNrjZFALTyxJLdItzs8pTcpJVUjKyU_OzsxLVyhPrFBIyy_KLc1JLMnMz-NhYE1LzClO5YXS3AwKbq4hzh66pcUFQAPySorj04sSQZSBmamFmYmlpTERSgBwAijo</recordid><startdate>20030701</startdate><enddate>20030701</enddate><creator>Bonafini, Jr., James A</creator><creator>Parrinello, Anthony D</creator><creator>Tinios, Peter J</creator><scope>EFH</scope></search><sort><creationdate>20030701</creationdate><title>Water-soluble blocking wax formulation</title><author>Bonafini, Jr., James A ; Parrinello, Anthony D ; Tinios, Peter J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-uspatents_grants_065864993</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2003</creationdate><toplevel>online_resources</toplevel><creatorcontrib>Bonafini, Jr., James A</creatorcontrib><creatorcontrib>Parrinello, Anthony D</creatorcontrib><creatorcontrib>Tinios, Peter J</creatorcontrib><creatorcontrib>Bausch & Lomb Incorporated</creatorcontrib><collection>USPTO Issued Patents</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Bonafini, Jr., James A</au><au>Parrinello, Anthony D</au><au>Tinios, Peter J</au><aucorp>Bausch & Lomb Incorporated</aucorp><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Water-soluble blocking wax formulation</title><date>2003-07-01</date><risdate>2003</risdate><abstract>The present invention relates to contact lens manufacturing, and more particularly relates to improved compositions and methods for blocking a contact lens button (also termed a contact lens blank or precursor) for machining operations which form the button into a wearable contact lens.
The invention provides, in a first embodiment, a blocking wax composition. The blocking wax comprises from about 50 to about 90 weight percent of a water-soluble continuous phase and from about 10 to about 50 weight percent of a discontinuous solid phase filler that is substantially inert to the continuous phase. The invention further provides a method for mounting a contact lens blank for machining.</abstract><oa>free_for_read</oa></addata></record> |
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| title | Water-soluble blocking wax formulation |
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