Condensation products for the retanning of iron-tanned leather
Use is claimed in the post-tanning of iron-tanned leather of condensation products of (A) sulfonated aromatics; (B) aldehydes or ketones; and optionally also (C) non-sulfonated aromatics, urea or urea derivatives with the proviso that the content of naphthalenesulfonic acid-formaldehyde condensates...
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| creator | KLEBAN, MARTIN TEGTMEYER, DIETRICH KAPLAN, AHMET WHITEMAN, JOHN D MARKGRAF, KIRSTEN |
| description | Use is claimed in the post-tanning of iron-tanned leather of condensation products of (A) sulfonated aromatics; (B) aldehydes or ketones; and optionally also (C) non-sulfonated aromatics, urea or urea derivatives with the proviso that the content of naphthalenesulfonic acid-formaldehyde condensates and phenol-formaldehyde condensates is below 25 (especially below 5)% of the total weight of condensation products. Independent claims are also included for: (1) leather of iron content 1-7 wt.% containing a condensation product of (A)-(C) as above; and (2) production of leather especially of softness above 15 units (IUP/36) obtained by post-tanning iron-tanned leather with condensation products of (A)-(C) as above.
Verwendung von Kondensationsprodukten auf Basis von A) sulfonierten Aromaten, , B) Aldehyden und/oder Ketonen und gegebenenfalls, C) einer oder mehreren Verbindungen, ausgewählt aus der Gruppe der nicht sulfonierten Aromaten, Harnstoff und Harnstoffderivaten, zum Nachgerben von eisengegerbtem Leder, mit der Maßgabe, dass der Gehalt an Naphthalinsulfonsäure-Formaldehyd-Kondensat, und Kondensat auf Basis von Phenol und Formaldehyd bezogen auf die Gesamtmenge an Kondensationsprodukt kleiner als 25 Gew.-%, bevorzugt kleiner als 5 Gew.-% ist. |
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Verwendung von Kondensationsprodukten auf Basis von A) sulfonierten Aromaten, , B) Aldehyden und/oder Ketonen und gegebenenfalls, C) einer oder mehreren Verbindungen, ausgewählt aus der Gruppe der nicht sulfonierten Aromaten, Harnstoff und Harnstoffderivaten, zum Nachgerben von eisengegerbtem Leder, mit der Maßgabe, dass der Gehalt an Naphthalinsulfonsäure-Formaldehyd-Kondensat, und Kondensat auf Basis von Phenol und Formaldehyd bezogen auf die Gesamtmenge an Kondensationsprodukt kleiner als 25 Gew.-%, bevorzugt kleiner als 5 Gew.-% ist.</description><edition>7</edition><language>eng ; fre ; ger</language><subject>APPARATUS THEREFOR ; CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING,IMPREGNATING, FINISHING ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS FOR TANNING ; HIDES ; LEATHER ; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; PELTS ; SKINS ; THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><creationdate>2004</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20040506&DB=EPODOC&CC=EP&NR=1416058A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20040506&DB=EPODOC&CC=EP&NR=1416058A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KLEBAN, MARTIN</creatorcontrib><creatorcontrib>TEGTMEYER, DIETRICH</creatorcontrib><creatorcontrib>KAPLAN, AHMET</creatorcontrib><creatorcontrib>WHITEMAN, JOHN D</creatorcontrib><creatorcontrib>MARKGRAF, KIRSTEN</creatorcontrib><title>Condensation products for the retanning of iron-tanned leather</title><description>Use is claimed in the post-tanning of iron-tanned leather of condensation products of (A) sulfonated aromatics; (B) aldehydes or ketones; and optionally also (C) non-sulfonated aromatics, urea or urea derivatives with the proviso that the content of naphthalenesulfonic acid-formaldehyde condensates and phenol-formaldehyde condensates is below 25 (especially below 5)% of the total weight of condensation products. Independent claims are also included for: (1) leather of iron content 1-7 wt.% containing a condensation product of (A)-(C) as above; and (2) production of leather especially of softness above 15 units (IUP/36) obtained by post-tanning iron-tanned leather with condensation products of (A)-(C) as above.
Verwendung von Kondensationsprodukten auf Basis von A) sulfonierten Aromaten, , B) Aldehyden und/oder Ketonen und gegebenenfalls, C) einer oder mehreren Verbindungen, ausgewählt aus der Gruppe der nicht sulfonierten Aromaten, Harnstoff und Harnstoffderivaten, zum Nachgerben von eisengegerbtem Leder, mit der Maßgabe, dass der Gehalt an Naphthalinsulfonsäure-Formaldehyd-Kondensat, und Kondensat auf Basis von Phenol und Formaldehyd bezogen auf die Gesamtmenge an Kondensationsprodukt kleiner als 25 Gew.-%, bevorzugt kleiner als 5 Gew.-% ist.</description><subject>APPARATUS THEREFOR</subject><subject>CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING,IMPREGNATING, FINISHING</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>COMPOSITIONS FOR TANNING</subject><subject>HIDES</subject><subject>LEATHER</subject><subject>MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS</subject><subject>METALLURGY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>PELTS</subject><subject>SKINS</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2004</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLBzzs9LSc0rTizJzM9TKCjKTylNLilWSMsvUijJSFUoSi1JzMvLzEtXyE9TyCzKz9MF8VNTFHJSE4HyRTwMrGmJOcWpvFCam0HBzTXE2UM3tSA_PrW4IDE5NS-1JN41wNDE0MzA1MLR0JgIJQAcmTBf</recordid><startdate>20040506</startdate><enddate>20040506</enddate><creator>KLEBAN, MARTIN</creator><creator>TEGTMEYER, DIETRICH</creator><creator>KAPLAN, AHMET</creator><creator>WHITEMAN, JOHN D</creator><creator>MARKGRAF, KIRSTEN</creator><scope>EVB</scope></search><sort><creationdate>20040506</creationdate><title>Condensation products for the retanning of iron-tanned leather</title><author>KLEBAN, MARTIN ; TEGTMEYER, DIETRICH ; KAPLAN, AHMET ; WHITEMAN, JOHN D ; MARKGRAF, KIRSTEN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP1416058A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2004</creationdate><topic>APPARATUS THEREFOR</topic><topic>CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING,IMPREGNATING, FINISHING</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>COMPOSITIONS FOR TANNING</topic><topic>HIDES</topic><topic>LEATHER</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>PELTS</topic><topic>SKINS</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>KLEBAN, MARTIN</creatorcontrib><creatorcontrib>TEGTMEYER, DIETRICH</creatorcontrib><creatorcontrib>KAPLAN, AHMET</creatorcontrib><creatorcontrib>WHITEMAN, JOHN D</creatorcontrib><creatorcontrib>MARKGRAF, KIRSTEN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KLEBAN, MARTIN</au><au>TEGTMEYER, DIETRICH</au><au>KAPLAN, AHMET</au><au>WHITEMAN, JOHN D</au><au>MARKGRAF, KIRSTEN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Condensation products for the retanning of iron-tanned leather</title><date>2004-05-06</date><risdate>2004</risdate><abstract>Use is claimed in the post-tanning of iron-tanned leather of condensation products of (A) sulfonated aromatics; (B) aldehydes or ketones; and optionally also (C) non-sulfonated aromatics, urea or urea derivatives with the proviso that the content of naphthalenesulfonic acid-formaldehyde condensates and phenol-formaldehyde condensates is below 25 (especially below 5)% of the total weight of condensation products. Independent claims are also included for: (1) leather of iron content 1-7 wt.% containing a condensation product of (A)-(C) as above; and (2) production of leather especially of softness above 15 units (IUP/36) obtained by post-tanning iron-tanned leather with condensation products of (A)-(C) as above.
Verwendung von Kondensationsprodukten auf Basis von A) sulfonierten Aromaten, , B) Aldehyden und/oder Ketonen und gegebenenfalls, C) einer oder mehreren Verbindungen, ausgewählt aus der Gruppe der nicht sulfonierten Aromaten, Harnstoff und Harnstoffderivaten, zum Nachgerben von eisengegerbtem Leder, mit der Maßgabe, dass der Gehalt an Naphthalinsulfonsäure-Formaldehyd-Kondensat, und Kondensat auf Basis von Phenol und Formaldehyd bezogen auf die Gesamtmenge an Kondensationsprodukt kleiner als 25 Gew.-%, bevorzugt kleiner als 5 Gew.-% ist.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | APPARATUS THEREFOR CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING,IMPREGNATING, FINISHING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS FOR TANNING HIDES LEATHER MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PELTS SKINS THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | Condensation products for the retanning of iron-tanned leather |
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