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公开(公告)号:DE50004228D1
公开(公告)日:2003-12-04
申请号:DE50004228
申请日:2000-08-25
Applicant: BASF AG
Inventor: PRECHTL DR , SCHNEIDER NORBERT , MEYER DR , PARKER ROBERT , RICHTER VOLKER , HEILMANN DR , KOCH DR , SCHUHMACHER DR
IPC: G02B5/30 , C08F2/46 , C08F20/26 , C09B67/00 , C09B67/02 , C09B67/08 , C09B67/20 , C09D5/29 , C09D5/36 , C09D201/00 , C09K19/00 , G02F1/1335
Abstract: Cholesteric laminate material has at least one 3-dimensionally crosslinked, oriented cholesteric layer (I) showing a homogeneous interference line pattern over the entire thickness. Independent claims are also included for the following: (a) cholesteric pigment comprising layer(s) (I) with an average particle size of 5-50 mu m and thickness of 0.2-5 mu m; (b) compositions containing the pigment(s); (c) polarizers, comprising the laminate and optionally a substrate foil; (d) broad band polarizers comprising laminates with a total thickness of about 2-50 mu m (without substrate film) and 3-20 cholesteric layers with attuned reflection maxima; and (e) the production of the laminate with layer(s) (I).
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公开(公告)号:DE50102568D1
公开(公告)日:2004-07-22
申请号:DE50102568
申请日:2001-03-08
Applicant: BASF AG
Inventor: PRECHTL DR , HAREMZA DR , MEYER DR , PARKER ROBERT , KUERSCHNER DR , VILL DR , PAUL DR
Abstract: Chiral 2,4,5-tri-substituted 1,3-dioxane compounds (I), with different substituents containing a mesogenic group, and their diastereomers are new. Chiral 2,4,5-tri-substituted 1,3-dioxane compounds of formula (I), with different substituents containing a mesogenic group, and their diastereomers are new: [Image] R1>[P-Y1>-(A1>)m-Y2>-]qM-Y3>-(A2>)n-Y4>- group; R2>, R3>[P-Y1>-(A1>)m-Y2>-]qM-Y3>-(A2>)n-Y4>'-; A1>, A2>spacers with 1-30 carbon atoms; M : a mesogenic group; Y1>, Y2>, Y3>, Y4>a single bond, -O-, -S-, -CO-, -CO-O-, -O-CO-, -CO-N(R)-, -(R)N-CO-, -O-CO-O-, -O-CO-N(R)-, -(R)N-CO-O- or -(R)N-CO-N(R)-; Y4>' : -O-, -O-CO-, -O-CO-O- or -O-CO-N(R)-, with the O atom attaching R2>, R3> to the 1,3-dioxane ring; R : hydrogen or 1-4C alkyl; P : H, 1-12C alkyl, a polymerizable group or a group containing a polymerizable group; m, n : 0 or 1; q : 1, 2 or 3. Independent claims are also included for: (a) liquid crystal (LC) compositions containing chiral compound(s) (I); (b) polymerizable LC compositions containing chiral compound(s) (I); (c) optical devices produced using these compositions; (d) printed or coated substrates, dispersions and emulsions, films or pigments prepared using the polymerizable LC compositions.
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公开(公告)号:DE50007844D1
公开(公告)日:2004-10-28
申请号:DE50007844
申请日:2000-05-17
Applicant: BASF AG
Inventor: PRECHTL DR , HABECK DR , WESTENFELDER HORST , WUENSCH DR
IPC: A61K8/00 , A61K8/30 , A61K8/35 , A61K8/368 , A61K8/37 , C07D311/58 , A61K8/40 , A61K8/49 , A61K47/08 , A61K47/14 , A61K47/16 , A61Q1/00 , A61Q1/04 , A61Q17/04 , C07C255/34 , C07C261/02 , C07D311/04 , C07D495/04 , C08K5/07 , C08K5/1545 , C08K5/20 , C08K5/315 , C08K5/3435 , C08K5/42 , C08L101/00 , C09K3/00 , C09K15/06 , C09K15/16 , C09K15/20 , C09K15/30 , A61K7/42
Abstract: 6-Vinyl-3,4-dihydro-2H-1-benzopyran, 6-vinyl-1,2,3,4-tetrahydronaphthalene or 6-vinyl-1,2,3,4-tetrahydroquinoline derivatives (I) are used as photostable ultraviolet (UV) filters in cosmetic and pharmaceutical compositions for protecting human skin and hair against solar radiation. Compounds of formula (I) are used as photostable UV filters in cosmetic and pharmaceutical compositions for protecting human skin and hair against solar radiation: X = O, CO, optionally substituted imino or CR9R10; Y = CO or CR9R10; R1, R2 = CN, alkanoyl, aroyl, alkoxycarbonyl, aryloxycarbonyl, optionally substituted carbamoyl, alkylsulfinyl, arylsulfinyl, alkylsulfonyl, arylsulfonyl or optionally substituted sulfamoyl; R3 = H, CN, OH, COOH, CONH2, Q, OQ, CONHQ or COOQ; Q = 1-20C alkyl or 5-20C aryl; R4 = H, OH, NH2, Q or OQ; R5-R10 = H or 1-20C alkyl, or R7+R8 can be oxo. Independent claims are also included for the following: (1) use of (I) as photoprotective agents for stabilizing plastics; (2) cosmetic compositions for protecting human epidermis and hair against UV light of wavelength 280-400 nm, comprising (I) in a carrier; and (3) new compounds of formula (II): R3' = lower alkyl; R4' = H, lower alkyl or lower alkoxy; X' = O or CRR; R = H or lower alkyl.
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公开(公告)号:DE59905819D1
公开(公告)日:2003-07-10
申请号:DE59905819
申请日:1999-11-18
Applicant: BASF AG
Inventor: HABECK DR , PRECHTL DR , WUENSCH DR , WESTENFELDER HORST
IPC: A61K8/00 , A61K8/30 , A61K8/40 , A61K8/49 , A61K31/275 , A61K31/277 , A61Q1/00 , A61Q1/04 , A61Q17/04 , A61Q19/00 , C07C255/37 , A61K7/42
Abstract: alpha -Alkyl-styryl derivatives (I) are used as photostable UV-filter in cosmetic or pharmaceutical compositions for protecting the human skin or hair against the sun light, optionally combined with other components absorbing in the UV range. alpha -Alkyl-styryl derivatives of formula (I) are used as photostable UV-filter in cosmetic or pharmaceutical compositions for protecting the human skin or hair against the sun light, optionally combined with other components absorbing in the UV range. R , R = H, OH, NH2, 1-12C alkyl, 1-12C alkoxy, 1-12C alkylamino, 1-12C dialkylamino, water soluble substituents such as carboxylate, sulfonate or ammonium residues; R , R = COOR , COR , CONR R or CN; R = 1-12C alkyl; R , R = H, 1-12C alkyl, 2-10C alkenyl, 3-10C cycloalkyl, 3-10C cycloalkenyl, aryl or heteroaryl (all optionally substituted); A = O, S or NR B' = 1-12C alkylene, 4-12C cycloalkylene, 8-22C aralkylene, 9-21C monooxoaralkylene or -(X)n-Y'-; R = H or 1-12C alkyl; X = -(CH2)2-Z-, -(CH2)3-Z-, -CH(CH3)2-CH2-Z-, -(CH2)4-Z- or -CH2-CH(CH2-CH3)-Z-; Y' = -(CH2)2-, -(CH2)3-, -CH(CH3)-CH2-, -(CH2)4- or -CH2-CH(CH2-CH3)-; Z = O or S; n = 1-150; two of R , R and R = form 5- to 6-membered ring fused to the benzene ring. An Independent claim is also included for a sunscreen comprising the cosmetic and pharmaceutical composition for protecting the human epidermis and hair against UV light (280-400 nm) containing (I).
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公开(公告)号:DE50102665D1
公开(公告)日:2004-07-29
申请号:DE50102665
申请日:2001-12-01
Applicant: BASF AG
Inventor: PRECHTL DR , HAREMZA DR , PARKER ROBERT , KUERSCHNER DR , BRAUN PROF DR , HAHN ANTJE , FLEISCHER DR
Abstract: The use of chiral, uncharged metal compounds containing two tridentate ligands with mesogenic groups, spacer groups and other groups as dopants for liquid crystalline materials. The use of chiral, uncharged compounds of formula (Ia) or (Ib) as dopants for liquid crystalline (LC) materials. ((P -Y -A -Y M -Y -)nL)2Me (Ia) ((P -Y -A -Y -M -Y -)nL)Me(L'(-Y -M -Y -A -Y -P )n')m (Ib) P , P = H, 1-12C alkyl, polymerizable groups, groups suitable for polymerization, or residues bearing such polymerizable groups; Y -Y = single bonds, -O-, -S-, -CO-, -COO-, -OCO-, -CONR-, -NRCO-, -OCOO-, -OCONR-, -NRCOO- or -NRCONR-; R = H or 1-4C alkyl; A , A = 1-30C spacer groups; M , M = mesogenic groups; n, n' = 0 or 1; m = 1, 2 or 3; Me = a transition metal of Period 4, 5 or 6 (other than technetium, silver, cadmium, gold, mercury or lanthanides) or a Main Group 14 element (other than carbon or lead); L = a tridentate ligand of formula (II); U, V, W = nitrogen-, phosphorus- or sulfur-containing groups with N, O, P or S atoms with free electron pair(s) for coordination with the central metal atom (Me); b1, b2 = 2-3C alkylene bridges attached to U and V or V and W, optionally substituted with up to two 1-12C organic residues in the case of 2C bridges and up to 4 such residues in other cases, and in which 2 adjacent carbon atoms may form part of an optionally substituted, optionally anellated benzene ring; L' = a 1-12C organic group. The groups L'(Y -M -Y -A -Y -P )n' in formula (Ib) may be different. Independent claims are also included for the following: (1) New compounds of formula (IIIa) and (IIIb). (2) LC materials containing compound(s) (Ia) and/or (Ib) or (IIIa) and/or (IIIb). ((P -Y -A -Y M -Y -)L)2Me (IIIa) ((P -Y -A -Y -M -Y -)L)Me(L'(-Y -M -Y -A -Y -P )n')m (IIIb) n' = 0 or 1.
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公开(公告)号:DE59908706D1
公开(公告)日:2004-04-08
申请号:DE59908706
申请日:1999-10-07
Applicant: BASF AG
Inventor: SCHUMACHER DR , PRECHTL DR
IPC: A61K8/00 , A61K8/02 , A61K8/33 , A61K8/34 , A61K8/36 , A61K8/368 , A61K8/41 , A61K8/46 , A61K8/49 , A61K8/72 , A61K8/81 , A61K8/85 , A61K31/74 , A61P17/00 , A61Q5/00 , A61Q17/04 , A61K7/00 , A61K7/42
Abstract: Cholesteric liquid-crystalline polymers, especially cholesteric liquid-crystalline polyesters, polycarbonates or polyamides, are used as photostable UV screens in cosmetic and pharmaceutical preparations for protecting the human epidermis or hair against UV radiation, especially in the region from 280 to 450 nm.
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公开(公告)号:DE50005489D1
公开(公告)日:2004-04-08
申请号:DE50005489
申请日:2000-08-25
Applicant: BASF AG
Inventor: PRECHTL DR , SCHNEIDER NORBERT , MEYER DR , BLASCHKA PETER , HAREMZA DR , HEZEL DR , PARKER ROBERT , RICHTER VOLKER
IPC: G02B5/30 , C08F2/46 , C08F20/26 , C09B67/00 , C09B67/02 , C09B67/08 , C09B67/20 , C09D5/29 , C09D5/36 , C09D201/00 , C09K19/00 , G02F1/1335
Abstract: Cholesteric laminate material, comprises at least one 3-dimensionally crosslinked, oriented cholesteric layer (I) which shows no color shift that can be induced by external stimuli. Independent claims are also included for the following: (a) cholesteric pigment comprising layer(s) (I) with an average particle size of 5-50 mu m and thickness of 0.2-5 mu m; (b) compositions containing the pigment(s); (c) polarizers, comprising the laminate and optionally a substrate foil; (d) broad band polarizers comprising laminates with a total thickness of about 2-50 mu m (without substrate film) and 3-20 cholesteric layers with attuned reflection maxima; and (e) the production of the laminate with layer(s) (I).
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公开(公告)号:DE50002234D1
公开(公告)日:2003-06-26
申请号:DE50002234
申请日:2000-02-23
Applicant: BASF AG
Inventor: MEYER DR , SCHUHMACHER DR , PRECHTL DR
IPC: C07D493/04 , A61K8/00 , A61K8/02 , A61K8/37 , A61K8/49 , A61Q5/00 , A61Q17/04 , C09K3/00 , C09K19/00 , C09K19/04 , C09K19/20 , C09K19/58 , A61K7/00 , A61K7/42
Abstract: New chiral doping agents (I) comprise dianhydrohexitol derivatives containing at least one polymerizable group. Chiral doping agents of formula (I) are new. Z1-Y1-(A1)m-Y2-M-Y3-X-Y4-(A2)n-Y5-Z 2 (I) A1, A2 = spacers having a chain length of 1-30C; Y1-Y5 = direct bond, O, S, C(O), C(O)O, OC(O), CH=CHC(O)O, OC(O)O, C(O)N(R), N(R)C(O), CH2O, CH=N, N=CH or N=N; M = mesogenic group; R = H or 1-4C alkyl; Z1, Z2 = H, 1-4C alkyl, polymerizable group (PG) or residue carrying a PG, provided that at least one is a PG or residue carrying a PG; X = dianhydrosorbitol, dianhydromannitol or dianhydroiditol residue; m, n = 0 or 1. An Independent claim is included for cholesteric liquid crystal compositions (A) (which preferably reflect left-circular polarized light in the UV region), comprising at least one chiral liquid crystalline monomer (I) which provides a cholesteric liquid crystalline phase having a pitch of less than 450 nm, optionally mixed with at least one achiral liquid crystalline monomer of formula (II). Z1-Y1-(A1)m-Y2-M-Y4-(A2)n-Y5-Z2 (II)
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