欧盟法规
REACH注册ECHA物质C&L通报REACH预注册专利信息
专利号:US-3822305-A
优先权日:1970-12-08
标 题 :Monostyryl-naphthonitriles
发明人:PINTSCHOVIUS U; SCHINZEL E; ROSCH G
权利人:HOECHST AG
摘要:MONOSTYRYL-1-NAPHTHALENES AND ANALOGOUS COMPOUNDS HAVING A A NAPHTHALENE, THIOPHENE, FURANE OR PYRIDINE NUCLEUS INSTED OF THE PHENYL MOIETY OF THE STYRYL RESIDUE, WHICH ARE OBTAINED BY THE HORNER SYNTHESIS, ARE USEFUL AS OPTICAL BRIGHTENERS.
专利号:US-4016195-A
优先权日:1970-12-08
标 题 :Monostyryl-naphthalene derivatives
发明人:PINTSCHOVIUS ULRICH; SCHINZEL ERICH; ROSCH GUNTER
权利人:HOECHST AG
摘要:Monostyryl-1-naphthalenes and analogous compounds having a naphthalene, thiophene, furane or pyridine nucleus instead of the phenyl moiety of the styryl residue, which are obtained by the Horner synthesis, are useful as optical brighteners.