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公开(公告)号：DK135382C
公开(公告)日：1977-10-03
申请号：DK28974
申请日：1974-01-18
Applicant: HOECHST AG
Inventor： HUNGER K , RIBKA J , WEINGARTEN F , RIEPER W
Abstract: Process for the aftertreatment of the azo pigment of the formula C.I. PIGMENT ORANGE 36 wherein the crude pigment obtained after coupling is heated to temperatures from 100 DEG to 150 DEG C. in dry or wet condition in a solvent which is water-immiscible or not indefinitely water-miscible and the pigment is isolated in known manner. The pigment aftertreated in this way shows substantially improved hiding power while the same pigment prepared in the usual way has poor hiding power and can not be used in stoving lacquers.
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公开(公告)号：BR7603067A
公开(公告)日：1977-05-24
申请号：BR7603067
申请日：1976-05-14
Applicant: HOECHST AG
Inventor： HUNGER K , WEINGARTEN F
IPC: C08K5/00 , C08K5/22 , C08L7/00 , C08L21/00 , C08L23/00 , C08L33/00 , C08L33/02 , C08L67/00 , C08L77/00 , C08L101/00 , C09B23/01 , C09B29/01 , C09B29/03 , C09B29/15 , C09B29/20
Abstract: of the disclosure: Diazotation of 3-amino-4-carboalkoxy-benzoic acid (4'-phenoxy)-anilides which may be halogenated in said phenoxy nucleus and coupling on 2-hydroxy-3-naphthoic acid (4'-benzoylamino)-anilides which may be further substituted in said anilide nucleus by halogen, lower alkyl or lower alkoxy, yields azo compounds which are valuable pigments of clear shades and high fastness to migration, light and weather.
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公开(公告)号：IN140296B
公开(公告)日：1976-10-09
申请号：IN113CA1974
申请日：1974-01-16
Applicant: HOECHST AG
Inventor： WEINGARTEN F , RIEPER W , HUNGER K , RIBKA J
Abstract: Process for the aftertreatment of the azo pigment of the formula C.I. PIGMENT ORANGE 36 wherein the crude pigment obtained after coupling is heated to temperatures from 100 DEG to 150 DEG C. in dry or wet condition in a solvent which is water-immiscible or not indefinitely water-miscible and the pigment is isolated in known manner. The pigment aftertreated in this way shows substantially improved hiding power while the same pigment prepared in the usual way has poor hiding power and can not be used in stoving lacquers.
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Patent Agency Ranking
公开(公告)号：BR7402714D0
公开(公告)日：1974-11-05
申请号：BR271474
申请日：1974-04-05
Applicant: HOECHST AG
Inventor： WEINGARTEN F , HUNGER K , KLAPPERT E
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公开(公告)号：BR7603068A
公开(公告)日：1977-05-24
申请号：BR7603068
申请日：1976-05-14
Applicant: HOECHST AG
Inventor： WEINGARTEN F , HUNGER K
IPC: C09B29/03 , C07C67/00 , C07C231/00 , C07C231/02 , C07C237/40 , C09B29/01 , C09B29/20 , C07C103/78 , C07C102/06
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公开(公告)号：DK135382B
公开(公告)日：1977-04-18
申请号：DK28974
申请日：1974-01-18
Applicant: HOECHST AG
Inventor： HUNGER K , RIBKA J , WEINGARTEN F , RIEPER W
Abstract: Process for the aftertreatment of the azo pigment of the formula C.I. PIGMENT ORANGE 36 wherein the crude pigment obtained after coupling is heated to temperatures from 100 DEG to 150 DEG C. in dry or wet condition in a solvent which is water-immiscible or not indefinitely water-miscible and the pigment is isolated in known manner. The pigment aftertreated in this way shows substantially improved hiding power while the same pigment prepared in the usual way has poor hiding power and can not be used in stoving lacquers.
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公开(公告)号：IN140449B
公开(公告)日：1976-11-13
申请号：IN681CA1974
申请日：1974-03-27
Applicant: HOECHST AG
Inventor： WEINGARTEN F , HUNGER K , KLAPPERT E
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公开(公告)号：BR7400299D0
公开(公告)日：1974-08-22
申请号：BR29974
申请日：1974-01-16
Applicant: HOECHST AG
Inventor： WEINGARTEN F , HUNGER K , RIEPER W , RIBKA J
Abstract: Process for the aftertreatment of the azo pigment of the formula C.I. PIGMENT ORANGE 36 wherein the crude pigment obtained after coupling is heated to temperatures from 100 DEG to 150 DEG C. in dry or wet condition in a solvent which is water-immiscible or not indefinitely water-miscible and the pigment is isolated in known manner. The pigment aftertreated in this way shows substantially improved hiding power while the same pigment prepared in the usual way has poor hiding power and can not be used in stoving lacquers.
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