公开(公告)号：JP2001019627A

公开(公告)日：2001-01-23

申请号：JP2000180447

申请日：2000-06-15

Applicant: BASF AG

Inventor： HABECK THORSTEN DR ,  PRECHTL FRANK ,  WUENSCH THOMAS DR ,  WESTENFELDER HORST

IPC: C07D233/64 ,  A61K8/00 ,  A61K8/02 ,  A61K8/06 ,  A61K8/49 ,  A61K47/22 ,  A61Q1/00 ,  A61Q1/04 ,  A61Q17/04 ,  C07D239/70 ,  C07D263/56 ,  C07D277/64 ,  A61K7/42 ,  A61K7/00 ,  A61K7/025

Abstract: PROBLEM TO BE SOLVED: To obtain a photoprotective agent for cosmetics and medicines, absorbing in a high absorbance in the UV-A-region, having a pointed band structure and soluble in an oil or water depending on substituents. SOLUTION: A compound expressed by formula I [R1 and R2 are each an electrophilic group such as cyano, an alkyl or the like; R3 is H, a 1-20C alkyl or the like; X is a divalent group or the like such as O or S; Z is a group or the like expressed by formula II (R4 is H, an alkyl or the like which may bonds to a benzylidene ring I or the like)], (e.g. a compound expressed by formula III) is used singly or together with a UV-absorbing compound for other known preparations for cosmetics and medicines as a photo-stable UV-filter in preparations for cosmetics and medicines for protecting the human skin and hair from the sun light. The compound expressed by formula I is included preferably in 0.1-10 wt.% based on the whole amount of the preparations for cosmetics and medicines. The compound expressed by formula I is obtained by reacting, e.g. a compound expressed by formula IV with a compound expressed by formula V.

公开(公告)号：JP2002220366A

公开(公告)日：2002-08-09

申请号：JP2001377549

申请日：2001-12-11

Applicant: BASF AG

Inventor： PRECHTL FRANK ,  HAREMZA SYLKE ,  PARKER ROBERT ,  KUERSCHNER KATHRIN ,  BRAUN MANFRED ,  HAHN ANTJE ,  FLEISCHER RALF

IPC: C07C251/24 ,  C07F7/28 ,  C09K19/00 ,  C09K19/40 ,  C09K19/54 ,  C09K19/58

Abstract: PROBLEM TO BE SOLVED: To provide the use of a chiral non-charged compound as a doping agent for a liquid crystal material, and such a compound and a liquid crystal material. SOLUTION: This chirality is shown by general formula Ia: [(P1-Y1-A1-Y2-M1- Y3-)nL] 2Me, or general formula Ib: [(P1-Y1-A1-Y2-M1-Y3-)nL]M(L'(-Y6-M2-Y5-A2- Y4-P2)n')m, and used as the doping agent for the liquid crystal material of the non-charged compound. Such a compound is shown by general formula IIIa: [(P1-Y1-A1-Y2-M1-Y3-)L]2Me, or general formula IIIb: [(P1-Y1-A1-Y2-M1-Y3-) L]Me(L'(-Y6-M2-Y5-A2-Y4-P2)n')m, and specifically exemplified by a compound shown by formula IV (wherein, the left-hand O-N-O part is shown by formula V; M is titanium).

公开(公告)号：JP2002060753A

公开(公告)日：2002-02-26

申请号：JP2001159615

申请日：2001-05-28

Applicant: BASF AG

Inventor： PRECHTL FRANK ,  HAREMZA SYLKE ,  MEYER FRANK DR ,  PARKER ROBERT ,  KUERSCHNER KATHRIN ,  SCHUMACHER PETER ,  SCHMIDT HANS-WERNER ,  SCHMIDT GEROLD ,  GIESA REINER

IPC: B32B7/02 ,  C09B67/00 ,  C09B67/20 ,  C09B69/10 ,  C09D5/00 ,  C09K19/00 ,  C09K19/20 ,  C09K19/34 ,  C09K19/36 ,  C09K19/38 ,  C09K19/54

Abstract: PROBLEM TO BE SOLVED: To provide a liquid crystal-based material. SOLUTION: This liquid-crystalline composition of matter comprises, as components, (A) a compound of formula I: Z1-Y1-A1-Y3-M-Y4-A2-Y2-Z2 [wherein Z1 and Z2 are each a reactive group; Y1 and Y4 are each a single bond, O, S, OCO or the like; A 1 and A2 are each a 1-30C spacer; M is a mesogneic group]. (B) a compound selected from a group consisting of subgroups: (b1) vinyl or allyl ethers, (b2) vinyl or allyl esters of saturated or unsaturated carboxylic acids, (b3) methacrylic or acrylic esters of monofunctional or polyfunctional alcohols, (b4) polyester (meth)acrylates, (b5) vinylaromatics or vinylheteroaromatics and (b6) compounds of general formula II: CH2=CH-NR2-R1 [wherein R1 is COOH, H or the like; R2 is hydrogen, an alkyl group or the like] and (C) if desired, further additives.

公开(公告)号：JP2001328985A

公开(公告)日：2001-11-27

申请号：JP2001079296

申请日：2001-03-19

Applicant: BASF AG

Inventor： PRECHTL FRANK ,  HAREMZA SYLKE ,  MEYER FRANK ,  PARKER ROBERT ,  KUERSCHNER KATHRIN ,  VILL VOLKMAR ,  PAUL MATHIAS

IPC: G02F1/13 ,  C07D319/06 ,  C08F20/30 ,  C08J5/18 ,  C09K19/34 ,  C09K19/38 ,  C09K19/58

Abstract: PROBLEM TO BE SOLVED: To provide a chiral 1,3-dioxane compound and a diastereomer thereof, and to use the above compound as a chiral dopant for liquid crystalline system. SOLUTION: This chiral 1,3-dioxane compound is shown by the general formula I. This compound is suitable for producing cholesteric liquid-crystalline compositions, having relatively high torsional ability, and according thereto, exerting significant impact on the optical properties of liquid-crystalline host systems even in relatively small quantities.

公开(公告)号：JP2001172329A

公开(公告)日：2001-06-26

申请号：JP2000255434

申请日：2000-08-25

Applicant: BASF AG

Inventor： MEYER FRANK ,  PRECHTL FRANK ,  SCHNEIDER NORBERT ,  HEILMANN PETER ,  KOCH VOLKER ,  PARKER ROBERT ,  RICHTER VOLKER ,  SCHUMACHER PETER

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: PROBLEM TO BE SOLVED: To obtain a cholesteric layer material with improved color impression and to provide a method for manufacturing the same. SOLUTION: In this material, the crosslinked cholesteric layer exhibits an interference fringe pattern which is homogeneous across the whole range of thickness. The cholesteric layer material of this invention and products derived from the same are superb in that their color does not go out of registration in a visually detectable way.

公开(公告)号：JP2001154024A

公开(公告)日：2001-06-08

申请号：JP2000255435

申请日：2000-08-25

Applicant: BASF AG

Inventor： PRECHTL FRANK ,  SCHNEIDER NORBERT ,  MEYER FRANK ,  BLASCHKA PETER ,  HAREMZA SYLKE DR ,  HEZEL TILMANN ,  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: PROBLEM TO BE SOLVED: To provide a cholesteric layer material having improved color stability, and a method for manufacturing it and its use. SOLUTION: A cholesteric layer material, having at least one kind of cholesteric layer three-dimensionally cross-linked and aligned, is used. The cholesteric layer cross-linked will not show visible color slippages.

公开(公告)号：JP2002047283A

公开(公告)日：2002-02-12

申请号：JP2001201424

申请日：2001-07-02

Applicant: BASF AG

Inventor： HAREMZA SYLKE ,  PRECHTL FRANK ,  HABECK THORSTEN

IPC: A61K8/00 ,  A61K8/49 ,  A61K31/352 ,  A61P17/16 ,  A61Q17/00 ,  A61Q17/04 ,  A61Q19/00 ,  C07D311/22 ,  C07D311/30 ,  C07D405/04 ,  C07D405/06 ,  C07D407/06 ,  A61K7/00 ,  A61K7/48

Abstract: PROBLEM TO BE SOLVED: To obtain a new flavonoid improved in an UV absorption action and an antioxidative action. SOLUTION: This flavonoid is represented by general formula I [R is a group of formula Ia or a group of formula Ib (R1 is hydrogen, a 1-4C alkyl, hydroxyl, a 1-4C alkoxy, a phenyloxy or a benzyloxy; R2 is hydrogen or a 1-4C alkyl; R3 is hydrogen, a 1-4C alkyl, a 1-4C alkoxy or cyano; R4 is hydrogen, a 1-4C alkyl or phenyl; (n) is 0 or 1; and Het is pyridyl, furyl or methylpyrrolyl group, with the proviso that when R is Ia and (n) is 0, at most two of R1 to R3 are each hydrogen at the same time).

公开(公告)号：JP2000169354A

公开(公告)日：2000-06-20

申请号：JP34061699

申请日：1999-11-30

Applicant: BASF AG

Inventor： HABECK THORSTEN ,  PRECHTL FRANK ,  WUENSCH THOMAS 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 ,  A61K7/00 ,  A61K7/48

Abstract: PROBLEM TO BE SOLVED: To obtain a light stabilizer which is, photostable, shows a bright band structure, and soluble in oil and water by use of a specific α-alkyl styrol derivative dimer, either individually or in combination with another compound, as a photostable UV filter for cosmetic preparations or the like for protecting human skin or the like from sun beams. SOLUTION: This α-alkyl styrol derivative dimer represented by formula I [R1 and R2 are each H, OH or the like; R3 and R4 are each COOR6, COR6 or the like; R5 is a 1-12C alkyl; R6 is H, a (substituted) alkyl or the like; A is O, S or the like; and B is a 1-12C alkylene, a 4-12C cycloalkylene or the like], e.g. a compound represented by formula II, is used as a photostable UV filter for cosmetic preparations or the like for protecting human skin or hair from sun beams, either individually or in combination with a known compound which absorbs light in the UV range for cosmetic or pharmaceutical preparations, e.g. 4-aminobenzoic acid.

公开(公告)号：JP2000128754A

公开(公告)日：2000-05-09

申请号：JP29692099

申请日：1999-10-19

Applicant: BASF AG

Inventor： SCHUMACHER PETER ,  PRECHTL FRANK

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 ,  A61K7/42 ,  A61K7/00

Abstract: PROBLEM TO BE SOLVED: To protect the human skin or hair from specific UV radiation by using, as UV filter, a specific cholesteric liquid-crystalline polymer singly or together with a specific compound. SOLUTION: In the preparation of cosmetics or pharmaceuticals intended for protecting the human skin or hair from sunlight, (A) a cholesteric liquid- crystalline polymer alternately having structural unit: X-C(=O) (X is O or NH) in the polymer main chain, either singly, or together with (B) a well-known UV-absorbing compound used e.g. in preparing cosmetics, is used; wherein it is preferable that the component A has constituent unit selected from (i) chiral bifunctional molecular structural unit capable of affording a cholesteric liquid- crystalline phase with a pitch of

公开(公告)号：JP2002030042A

公开(公告)日：2002-01-29

申请号：JP2001105108

申请日：2001-04-03

Applicant: BASF AG

Inventor： PRECHTL FRANK ,  PARKER ROBERT ,  SCHUMACHER PETER ,  SCHNEIDER NORBERT ,  HAREMZA SYLKE ,  SCHMIDT HANS-WERNER ,  SCHMIDT GEROLD

IPC: G02B5/30 ,  C07C67/14 ,  C07C69/92 ,  C09B69/10 ,  C09D7/12 ,  C09D201/00 ,  C09K19/00 ,  C09K19/20 ,  C09K19/38 ,  G02F1/13 ,  G02F1/1335

Abstract: PROBLEM TO BE SOLVED: To provide an improved crosslinkable achiral liquid crystal monomer enabling the production of a liquid crystal polymer having high crosslinking density. SOLUTION: The objective polymerizable liquid crystal compound is expressed by general formula (I) [A1 and A2 are each same or different crosslinkable group; groups X are each same or different single bond, O, S, C=N, O-CO, CO-O, O-CO-O, CO-NR, NR-CO, NR, O-CO-NR, NR-CO-O, CH2-O or NR-CO-NR (R is H or a 1-4C alkyl); and M is a mesogen group].