公开(公告)号：NO913696A

公开(公告)日：1991-09-19

申请号：NO913696

申请日：1991-09-19

Applicant: HOECHST AG

Inventor： ESCHER CLAUS ,  DUEBAL HANS-ROLF ,  HARADA TAKAMASA ,  HEMMERLING WOLFGANG ,  ILLIAN GERHARD ,  MUELLER INGRID ,  MURAKAMI MIKIO ,  OHLENDORF DIETER ,  WINGEN RAINER

IPC: C09K19/34 ,  G02F20060101 ,  G02F1/137

公开(公告)号：ES2019425B3

公开(公告)日：1991-06-16

申请号：ES88105777

申请日：1988-04-12

Applicant: HOECHST AG

Inventor： WINGEN RAINER ,  DUBAL HANS-ROLF ,  ESCHER CLAUS ,  HEMMERLING WOLFGANG ,  MULLER INGRID ,  OHLENDORF DIETER

IPC: C07D317/24 ,  C07D317/32 ,  C07D317/72 ,  C07D405/12 ,  C07D407/12 ,  C07D409/12 ,  C09K19/02 ,  C09K19/34 ,  C09K19/54 ,  C09K19/58 ,  G02F1/133 ,  G02F1/137 ,  G02F1/141

公开(公告)号：NO911435D0

公开(公告)日：1991-04-11

申请号：NO911435

申请日：1991-04-11

Applicant: HOECHST AG

Inventor： ESCHER CLAUS ,  ILLIAN GERHARD ,  ROESCH NORBERT ,  HARADA TAKAMASA

IPC: C07D225/02 ,  G02F1/133 ,  C07D273/08 ,  C07D323/00 ,  C07D405/12 ,  C07D498/08 ,  C09K19/54 ,  C09K19/56 ,  G02F1/13 ,  G02F1/1337 ,  G02F1/137 ,  G02F1/141 ,  G09F9/35 ,  G02F

Abstract: Addition of coronands and cryptands to FLC-mixtures makes it possible to bring the FLC material into a homogeneous "bookshelf" or "quasi-bookshelf" geometry. When such a FLC mixture is used, displays which have been shock-damaged can be regenerated by applying a suitable electric field for a short period of time.

公开(公告)号：NO902111L

公开(公告)日：1990-11-14

申请号：NO902111

申请日：1990-05-11

Applicant: HOECHST AG

Inventor： MEIJERE ARMIN DE ,  DUEBAL HANS-ROLF ,  ESCHER CLAUS ,  HARADA TAKAMASA ,  HEMMERLING WOLFGANG ,  ILLIAN GERHARD ,  MUELLER INGRID ,  MURAKAMI MIKIO ,  OHLENDORF DIETER ,  WINGEN RAINER

IPC: G02F1/13 ,  C07C13/04 ,  C07C13/28 ,  C07C22/00 ,  C07C25/00 ,  C07C43/184 ,  C07C43/205 ,  C07C43/21 ,  C07C69/92 ,  C07C255/45 ,  C07D213/30 ,  C07D237/08 ,  C07D237/14 ,  C07D237/16 ,  C07D237/18 ,  C07D239/26 ,  C07D239/34 ,  C07D239/38 ,  C07D241/12 ,  C07D241/18 ,  C07D285/12 ,  C07D285/125 ,  C07D285/13 ,  C07D405/12 ,  C09K19/20 ,  C09K19/30 ,  C09K19/34

Abstract: The novel cyclopropylalkyl or -alkenyl compounds have the general formula In this formula, the symbols A , A , A denote unsubstituted and in particular substituted (by halogen or CN) aromatic or heteroaromatic molecular building blocks, such as 1,4-phenylene or pyrimidine-2,5- diyl, which are linked via a single bond or via functional groups M , M , such as CO-O or CH2-O; H and m are zero or 1; j, l, n are zero, 1 or 2. The radicals are R , R , R are H or alkyl/alkenyl, R is alkyl/alkenyl or a substituent known from LC chemistry, such as an alpha - haloalkanoic acid radical. G denotes alkylene or alkenylene.

公开(公告)号：CA2049314A1

公开(公告)日：1990-09-23

申请号：CA2049314

申请日：1990-03-21

Applicant: HOECHST AG

Inventor： DUBAL HANS-ROLF ,  ESCHER CLAUS ,  HARADA TAKAMASA ,  HEMMERLING WOLFGANG ,  ILLIAN GERHARD ,  MULLER INGRID ,  MURAKAMI MIKIO ,  OHLENDORF DIETER ,  WINGEN RAINER

IPC: G02F1/13 ,  C09K19/34 ,  C09K19/42 ,  C09K19/46 ,  C09K19/58

Abstract: - 45 - HOE 89/F 095 Liquid-crystalline mixtures in particular ferroelectric liquid-crystalline mixtures The novel liquid-crystalline mixtures (in the case of ferroelectric behavior they additionally contain an optically active compound as dope) are based on at least two mixture components of the general formula (I) and at least one carboxylate of the general formulae ¢sic! (II), (III) or (IV). (I) (II) X = O or a single bond (III) (IV) The mixtures have favorable properties for use in electrooptical display elements, such as high contrast, low melting point and short switching times.

公开(公告)号：NO895181A

公开(公告)日：1990-06-25

申请号：NO895181

申请日：1989-12-21

Applicant: HOECHST AG

Inventor： ESCHER CLAUS ,  DUEBAL HANS-ROLF ,  MURAKAMI MIKIO ,  ILLIAN GERHARD ,  OHLENDORF DIETER

IPC: G02F1/1337 ,  G02F1/1343 ,  G02F1/141 ,  G02F1/133 ,  G09F9/35

CPC classification number: G02F1/13439 ,  G02F1/1337 ,  G02F1/141

公开(公告)号：BR8806184A

公开(公告)日：1989-08-15

申请号：BR8806184

申请日：1988-11-24

Applicant: HOECHST AG

Inventor： MEIJERE ARMIN DE ,  DUEBAL HANS-ROLF ,  ESCHER CLAUS ,  HEMMERLING WOLFGANG ,  MUELLER INGRID ,  OHLENDORF DIETER ,  WINGEN RAINER

IPC: C07D20060101 ,  C07D213/30 ,  C07D237/08 ,  C07D237/10 ,  C07D237/14 ,  C07D239/26 ,  C07D239/32 ,  C07D239/34 ,  C07D239/38 ,  C07D241/12 ,  C07D285/12 ,  C07D303/48 ,  C07D317/10 ,  C07D405/12 ,  C09K19/34 ,  C09K19/42 ,  C09K19/46 ,  G02F1/13 ,  G02F1/137 ,  G02F1/141

Abstract: The liquid crystalline cyclopropylalkyl or -alkenyl heterocycles have the formula in which the symbols A , A , A are aromatic or heteroaromatic molecular building blocks, such as 1,4-phenylene or pyrimidin-2,5-diyl which are linked via a single bond (if k,m are zero) or via functional groups M , M , such as CO-O or CH2-O; j, k, l, m, n are zero or 1 (j+l+n = 2 or 3). The radicals R , R , R are H or alkyl/alkenyl, R is alkyl/alkenyl or one of the substituents known from LC chemistry, such as an alpha -haloalkanoic radical. In addition, at least one of the building blocks A , A , A must be heteroaromatic and G denotes alkylene or alkenylene.

公开(公告)号：NO892472A

公开(公告)日：1989-05-26

申请号：NO892472

申请日：1989-06-14

Applicant: HOECHST AG

Inventor： MEIJERE ARMIN DE ,  DUEBAL HANS-ROLF ,  ESCHER CLAUS ,  HEMMERLING WOLFGANG ,  MUELLER INGRID ,  OHLENDORF DIETER ,  WINGEN RAINER

IPC: C07D20060101 ,  C07D239/26 ,  C07D239/34 ,  C07D239/38

公开(公告)号：NO885236D0

公开(公告)日：1988-11-24

申请号：NO885236

申请日：1988-11-24

Applicant: HOECHST AG

Inventor： MEIJERE ARMIN DE ,  DUEBAL HANS-ROLF ,  ESCHER CLAUS ,  HEMMERLING WOLFGANGA ,  MUELLER INGRID ,  OHLENDORF DIETER ,  WINGEN RAINER

IPC: C07D20060101 ,  C07D213/30 ,  C07D237/08 ,  C07D237/10 ,  C07D237/14 ,  C07D239/26 ,  C07D239/32 ,  C07D239/34 ,  C07D239/38 ,  C07D241/12 ,  C07D285/12 ,  C07D303/48 ,  C07D317/10 ,  C07D405/12 ,  C09K19/34 ,  C09K19/42 ,  C09K19/46 ,  G02F1/13 ,  G02F1/137 ,  G02F1/141 ,  C07D239/00

Abstract: The liquid crystalline cyclopropylalkyl or -alkenyl heterocycles have the formula in which the symbols A , A , A are aromatic or heteroaromatic molecular building blocks, such as 1,4-phenylene or pyrimidin-2,5-diyl which are linked via a single bond (if k,m are zero) or via functional groups M , M , such as CO-O or CH2-O; j, k, l, m, n are zero or 1 (j+l+n = 2 or 3). The radicals R , R , R are H or alkyl/alkenyl, R is alkyl/alkenyl or one of the substituents known from LC chemistry, such as an alpha -haloalkanoic radical. In addition, at least one of the building blocks A , A , A must be heteroaromatic and G denotes alkylene or alkenylene.

公开(公告)号：NO884136D0

公开(公告)日：1988-09-16

申请号：NO884136

申请日：1988-09-16

Applicant: HOECHST AG

Inventor： WINGEN RAINER ,  DUBAL HANS-ROLF ,  ESCHER CLAUS ,  HEMMERLING WOLFGANG ,  MULLER INGRID ,  OHLENDOF DIETER

IPC: C07D239/26 ,  C07D239/34 ,  C09K19/34 ,  C09K19/46 ,  G02F1/137 ,  G02F1/141 ,  C07D239/00 ,  G02F1/13

Abstract: Phenylpyrimidinyl trans-cyclohexanecarboxylates of the formula … … form, in addition to a relatively broad nematic phase, a smectic C phase if R denotes an alkyl radical having 10 to 16 carbon atoms, in particular 11 to 16 carbon atoms, or an alkyloxy radical having 8 to 14 carbon atoms and R denotes an alkyl radical having 2 to 9 carbon atoms. Accordingly, they are suitable in particular as components of liquid-crystalline mixtures having a smectic C phase, since they induce a relatively broad nematic phase or widen a narrow nematic phase present and enlarge the temperature range of the smectic C phase towards low, but in particular towards high temperatures.