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Patent Agency Ranking
公开(公告)号：US09617198B2
公开(公告)日：2017-04-11
申请号：US14762384
申请日：2014-01-20
Applicant: RHODIA OPERATIONS
Inventor： Hubert Gayet , Denis Revelant , Martine Vibert
Abstract: The invention relates to a method for the purification of natural vanillin, comprising at least one step in which the natural vanillin is evaporated.
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2.发明申请Method for producing alkoxy-hydroxybenzaldehyde that is substantially free of alkyl-alkoxy-hydroxybenzaldehyde 有权制备基本上不含烷基 - 烷氧基 - 羟基苯甲醛的烷氧基 - 羟基苯甲醛的方法公开(公告)号：US20150203428A1
公开(公告)日：2015-07-23
申请号：US14417010
申请日：2013-07-12
Applicant: RHODIA OPERATIONS
Inventor： Laurent Garel , Hubert Gayet
IPC: C07C45/38 , C07C41/09 , C07C41/42 , C07C51/353
CPC classification number: C07C45/38 , C07C41/09 , C07C41/42 , C07C45/39 , C07C51/353 , C07C51/367 , Y02P20/582 , C07C47/58 , C07C47/575 , C07C65/21 , C07C43/23
Abstract: The invention relates to a method for producing at least one alkoxy-hydroxybenzaldehyde (AHBA) from at least one hydroxyphenol (HP), said method being characterised in that it comprises the formation of at least one alkoxyphenol (AP) and alkyl-alkoxyphenol (AAP) and the separation (S) of AP from AAP, said separation (S) being carried out prior to obtaining AHBA.
Abstract translation: 本发明涉及从至少一种羟基苯酚（HP）制备至少一种烷氧基 - 羟基苯甲醛（AHBA）的方法，其特征在于其包括形成至少一种烷氧基苯酚（AP）和烷基 - 烷氧基苯酚（AAP ）和AP与AAP的分离（S），所述分离（S）在获得AHBA之前进行。
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3.发明授权Method for producing alkoxy-hydroxybenzaldehyde that is substantially free of alkyl-alkoxy-hydroxybenzaldehyde 有权制备基本上不含烷基 - 烷氧基 - 羟基苯甲醛的烷氧基 - 羟基苯甲醛的方法公开(公告)号：US09284247B2
公开(公告)日：2016-03-15
申请号：US14417010
申请日：2013-07-12
Applicant: RHODIA OPERATIONS
Inventor： Laurent Garel , Hubert Gayet
IPC: C07C45/32 , C07C45/38 , C07C41/09 , C07C41/42 , C07C45/39 , C07C51/367 , C07C51/353
CPC classification number: C07C45/38 , C07C41/09 , C07C41/42 , C07C45/39 , C07C51/353 , C07C51/367 , Y02P20/582 , C07C47/58 , C07C47/575 , C07C65/21 , C07C43/23
Abstract: The invention relates to a method for producing at least one alkoxy-hydroxybenzaldehyde (AHBA) from at least one hydroxyphenol (HP), said method being characterized in that it comprises the formation of at least one alkoxyphenol (AP) and alkyl-alkoxyphenol (AAP) and the separation (S) of AP from AAP, said separation (S) being carried out prior to obtaining AHBA.
Abstract translation: 本发明涉及从至少一种羟基苯酚（HP）制备至少一种烷氧基 - 羟基苯甲醛（AHBA）的方法，其特征在于其包括形成至少一种烷氧基苯酚（AP）和烷基 - 烷氧基苯酚（AAP ）和AP与AAP的分离（S），所述分离（S）在获得AHBA之前进行。
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公开(公告)号：US10017444B2
公开(公告)日：2018-07-10
申请号：US15480068
申请日：2017-04-05
Applicant: Rhodia Operations
Inventor： Hubert Gayet , Denis Revelant , Martine Vibert
Abstract: The invention relates to a natural vanillin, which is in the form of an amorphous solid of which the color, in ethanolic solution at 10% by weight, is less than or equal to 200 Hazen, preferably less than or equal to 100 Hazen.
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公开(公告)号：US20170204039A1
公开(公告)日：2017-07-20
申请号：US15480068
申请日：2017-04-05
Applicant: Rhodia Operations
Inventor： Hubert Gayet , Denis Revelant , Martine Vibert
IPC: C07C47/58
Abstract: The invention relates to a natural vanillin, which is in the form of an amorphous solid of which the color, in ethanolic solution at 10% by weight, is less than or equal to 200 Hazen, preferably less than or equal to 100 Hazen.
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