-
公开(公告)号：MY128445A
公开(公告)日：2007-02-28
申请号：MYPI20010185
申请日：2001-01-16
Applicant: BASF AG
Inventor： AUER HEINZ , BEBLING BERND DR , HAMMER HANS , HASSE HANS PROF DR , SAUER FRIEDRICH , VICARI MAXIMILIAN DR , WAGNER GERHARD DR , ADRIAN TILL DR
Abstract: THE INVENTION RELATES TO A PROCESS FOR THE PREPARATION OF ANHYDROUS OR SUBSTANTIALLY ANHYDROUS FORMIC ACID. THE PROCESS HAS THE SPECIAL FEATURE THAT A LIQUID OF THE GENERAL FORMULA I . WHERE THE RADICALS R AND R2 ARE: ALKYLL CYCLOALKYL, ARYL OR ARALKYL GROUPS, OR R’ AND R2 JOINTLY, TOGETHER WITH THE N ATOM, FORM A HETEROCYCLIC 5- OR 6-MEMBERED RING, AND ONLY ONE OF THE RADICALS IS AN ARY1 GROUP, AND WHERE R3 IS HYDROGEN OR A C1-C4-ALKYL GROUP, EMPLOYED AS EXTRACTANT IS ALSO EMPLOYED AS WASHING LIQUID FOR THE OFFGASES PRODUCED IN THE PROCESS.
-
公开(公告)号：DE4440615A1
公开(公告)日：1996-05-15
申请号：DE4440615
申请日：1994-11-14
Applicant: BASF AG
Inventor： MUELLER ROLF , SCHELLENBERG ROLF DR , LANGER ERNST DR , WAGNER GERHARD DR
-
公开(公告)号：MY136296A
公开(公告)日：2008-09-30
申请号：MYPI20010197
申请日：2001-01-17
Applicant: BASF AG
Inventor： AUER HEINZ , BEBLING BERND DR , HAMMER HANS , HASSE HANS PROF DR , SAUER FRIEDRICH , VICARI MAXIMILIAN DR , WAGNER GERHARD DR , ADRIAN TILL DR
Abstract: THE INVENTION RELATES TO A PROCESS FOR OBTAINING ANHYDROUS OR SUBSTANTIALLY ANHYDROUS FORMIC ACID IN WHICH, DURING THE WORK-UP, A COMPOUND OF THE GENERAL FORMULA 1 WHERE THE RADICALS R1 AND R2 ARE ALKYL,CYCLOALKYL, ARYL OR ARALKYL GROUPS, OR R1 AND R2 JOINTLY, TOGETHER WITH THE N ATOM, FROM A HETEROCYCLIC 5-OR 6-MEMBERED RING, AND ONLY ONE OF THE RADICALS IS AN ARYL GROUP, AND WHERE R3 IS HYDROGEN OR A C1-C4-ALKYL GROUP,IS EMPLOYED SIMULTANEOUSLY AS EXTRACTANT FOR FORMIC ACID AND AS ANTIFOAM FOR A DISTILLATION PROCESS.FIG.3
-
公开(公告)号：MY128642A
公开(公告)日：2007-02-28
申请号：MYPI20010228
申请日：2001-01-18
Applicant: BASF AG
Inventor： AUER HEINZ , BESSLING BERND DR , HAMMER HANS , HASSE HANS PROF DR , SAUER FRIEDRICH , VICARI MAXIMILIAN DR , WAGNER GERHARD DR , ADRIAN TILL DR
IPC: C07C53/02 , C07C51/09 , C07C51/44 , C07C51/48 , C22C14/00 , C22C19/05 , C22C38/00 , C22C38/42 , C22C38/44
Abstract: THE INVENTION RELATES TO AN APPARATUS FOR THE PREPARATION OF ANHYDROUS OR SUBSTANTIALLY ANHYDROUS FOMIC ACID.THIS APPARATUS IS CONSTRUCTED OF SUBSTANTIALLY ZIRCONIUM - FREE MATERIALS .THE ANTICORROSION AGENT EMPLOYED IS A LIQUID OF THE GENERAL FORMUILA 1WHERE THE RADICALS R¹ AND R² ARE ALKYL,CYCLOALKYL, ARYL OR ARALKYL GROUPS, OR R¹ AND R² JOINTLY, TOGETHER WITH THE N ATOM, FROM A HETEROCYCLIC 5-OR 6-MEMBERED RING, AND ONLY ONE OF THE RADICALS IS AN ARYL GROUP, AND WHERE R³ IS HYDROGEN OR A C₁-C₄-ALKYL GROUP.(FIG 2)
-
-
-
Search Results
4
records
(took 0.019 seconds)
