公开(公告)号：DE69131031T2

公开(公告)日：1999-09-16

申请号：DE69131031

申请日：1991-06-09

Applicant: MITSUI CHEMICALS INC

Inventor： NAKATSUKA MASAKATSU ,  OTSUJI ATSUO ,  HASEGAWA KIYOHARU ,  KIKKAWA KAZUYOSHI ,  YAMAGUCHI AKIHIRO

IPC: B41M5/145 ,  B41M5/327 ,  C07D493/10 ,  B41M5/30

Abstract: Disclosed are novel crystal of the fluoran compound represented by the formula ( I ) ,characterized by a specific X-ray diffraction diagram; preparation process thereof; and recording materials comprising the crystal.

公开(公告)号：DE69507121T2

公开(公告)日：1999-06-10

申请号：DE69507121

申请日：1995-10-28

Applicant: MITSUI CHEMICALS INC

Inventor： NISHIMURA TAKESHI ,  KAMASHITA TOMOKO ,  WADA MASARU ,  NAGATA TERUYUKI ,  TANABE YOSHIMITSU ,  HASEGAWA KIYOHARU ,  NAKATSUKA MASAKATSU

IPC: B41M5/155 ,  B41M5/00

Abstract: Provided are a color-developing agent comprising a multivalent metal salt of a salicylic acid derivative and a sulfonated phenol and/or a metal salt thereof and having excellent initial and ultimate color-developing capacities and improved waterproofness; and a color-developing sheet making use of the color-developing agent.

公开(公告)号：SG52499A1

公开(公告)日：1998-09-28

申请号：SG1996005221

申请日：1994-12-15

Applicant: MITSUI CHEMICALS INC

Inventor： JOTARO HIRADO ,  HASEGAWA KIYOHARU ,  NAKATSUKA MASAKATSU ,  FURUYA MASAYUKI ,  NISHIMURA TAKESHI ,  TANABE YOSHIMITSU

IPC: B41M5/155 ,  C08G61/00

Abstract: A process for preparing a polyvalent metal salt of a salicylic acid resin which comprises the steps of reacting salicylic acid or its derivative with styrene or its derivative at a temperature of -20 DEG C or higher but lower than 40 DEG C in the presence of sulfuric acid, and then reacting the resulting reaction product with a polyvalent metal compound; an aqueous dispersion in which the polyvalent metal salt of the resin is dispersed in water; and a developing sheet in which the polyvalent metal salt of the salicylic acid resin is used.

公开(公告)号：DE69522031T2

公开(公告)日：2002-04-18

申请号：DE69522031

申请日：1995-04-25

Applicant: MITSUI CHEMICALS INC ,  YAMAMOTO CHEMICALS INC

Inventor： MATSUMOTO MANSUKE ,  SASAKI NOBUAKI ,  SAWANO BUNJI ,  HASEGAWA KIYOHARU ,  KIKKAWA KAZUYOSHI

IPC: B41M5/28 ,  B41M5/323 ,  B41M5/333 ,  C07D209/44 ,  C07D209/50 ,  C07D491/10 ,  C07D209/52 ,  B41M5/26

Abstract: A carboxylate is herein disclosed which is represented by the formula (1) or (2) wherein a ring X is an aromatic residue which may have a substituent; A is =NH or -(OR or OR ) (wherein each of R and R is independently an alkyl group having 1 to 8 carbon atoms which may have a substituent, and R and R may bond to each other to form a ring); R is a hydrogen atom, an alkyl group having 1 to 20 carbon atoms which may have a substituent, an aralkyl group which may have a substituent, or an aryl group which may have a substitutent, but when A is =NH, R is an aryl group which may have a substituent; and R is an alkyl group having 1 to 8 carbon atoms which may have a substituent. A heat-sensitive recording material comprising this carboxylate is excellent in the stability of the color image and can provide an optically character-readable sharp color image.

公开(公告)号：DE69522031D1

公开(公告)日：2001-09-13

申请号：DE69522031

申请日：1995-04-25

Applicant: MITSUI CHEMICALS INC ,  YAMAMOTO CHEMICALS INC

Inventor： MATSUMOTO MANSUKE ,  SASAKI NOBUAKI ,  SAWANO BUNJI ,  HASEGAWA KIYOHARU ,  KIKKAWA KAZUYOSHI

IPC: B41M5/28 ,  B41M5/323 ,  B41M5/333 ,  C07D209/44 ,  C07D209/50 ,  C07D491/10 ,  C07D209/52 ,  B41M5/26

Abstract: A carboxylate is herein disclosed which is represented by the formula (1) or (2) wherein a ring X is an aromatic residue which may have a substituent; A is =NH or -(OR or OR ) (wherein each of R and R is independently an alkyl group having 1 to 8 carbon atoms which may have a substituent, and R and R may bond to each other to form a ring); R is a hydrogen atom, an alkyl group having 1 to 20 carbon atoms which may have a substituent, an aralkyl group which may have a substituent, or an aryl group which may have a substitutent, but when A is =NH, R is an aryl group which may have a substituent; and R is an alkyl group having 1 to 8 carbon atoms which may have a substituent. A heat-sensitive recording material comprising this carboxylate is excellent in the stability of the color image and can provide an optically character-readable sharp color image.

公开(公告)号：DE69131031D1

公开(公告)日：1999-04-29

申请号：DE69131031

申请日：1991-06-09

Applicant: MITSUI CHEMICALS INC

Inventor： NAKATSUKA MASAKATSU ,  OTSUJI ATSUO ,  HASEGAWA KIYOHARU ,  KIKKAWA KAZUYOSHI ,  YAMAGUCHI AKIHIRO

IPC: B41M5/145 ,  B41M5/327 ,  C07D493/10 ,  B41M5/30

Abstract: Disclosed are novel crystal of the fluoran compound represented by the formula ( I ) ,characterized by a specific X-ray diffraction diagram; preparation process thereof; and recording materials comprising the crystal.

公开(公告)号：CA2071438C

公开(公告)日：1999-04-06

申请号：CA2071438

申请日：1992-06-17

Applicant: MITSUI CHEMICALS INC

Inventor： OTSUJI ATSUO ,  MOTOSHIMA TOSHIHIRO ,  TANABE YOSHIMITSU ,  HASEGAWA KIYOHARU ,  KIKKAWA KAZUYOSHI ,  NAKATSUKA MASAKATSU ,  YAMAGUCHI AKIHIRO

IPC: B41M5/337 ,  B41M5/30 ,  B41M5/333 ,  C07C39/00 ,  C07C271/28 ,  C07C271/58 ,  C07C317/22 ,  C07C317/42 ,  C07C323/20 ,  C07C323/43 ,  C07C333/08 ,  C09B11/28 ,  C09K9/00 ,  C07C271/06 ,  B41M5/28 ,  C07C317/50 ,  C07C323/63 ,  C07C323/64 ,  C07D307/16 ,  C07D307/20 ,  C07D333/32

Abstract: Heat-sensitive recording materials contain an electron-donating chromogenic compound and an electron-attracting compound. The recording materials also contain at least one compound represented by the following formula: (see fig. I) or (see fig. II) wherein R1 and R3 mean a hydrogen atom or an alkyl, aralkyl or aryl group, R2 and R4 denote an alkyl, alkenyl, aralkyl or aryl group, X1, X2, Y1 and Y2 stand for an oxygen or a sulfur atom, and -Z1- and -Z2- are a specific aromatic group. Also provided are phenol compounds represented by the following formula: (see fig. III) wherein R1, R2, X1 and Y1 have the same meanings as defined above; R5 and R6 are a hydrogen or halogen atom or an alkyl, alkoxy, aralkyl, aryl or hydroxyl group, p and q stand for an integer of 1-4; R5 and R6 may be either the same or different when p and q represent an integer of 2 or greater; and -Z3- means a specific divalent group.

公开(公告)号：DE69507121D1

公开(公告)日：1999-02-18

申请号：DE69507121

申请日：1995-10-28

Applicant: MITSUI CHEMICALS INC

Inventor： NISHIMURA TAKESHI ,  KAMASHITA TOMOKO ,  WADA MASARU ,  NAGATA TERUYUKI ,  TANABE YOSHIMITSU ,  HASEGAWA KIYOHARU ,  NAKATSUKA MASAKATSU

IPC: B41M5/155 ,  B41M5/00

Abstract: Provided are a color-developing agent comprising a multivalent metal salt of a salicylic acid derivative and a sulfonated phenol and/or a metal salt thereof and having excellent initial and ultimate color-developing capacities and improved waterproofness; and a color-developing sheet making use of the color-developing agent.

公开(公告)号：HK1002264A1

公开(公告)日：1998-08-14

申请号：HK98101272

申请日：1998-02-19

Applicant: MITSUI CHEMICALS INC

Inventor： TANABE YOSHIMITSU ,  KIDA JOTARO ,  HASEGAWA KIYOHARU ,  NAKATSUKA MASAKATSU ,  FURUYA MASAYUKI ,  NISHIMURA TAKESHI

IPC: B41M5/155 ,  C08G61/00 ,  B41M ,  C08G

Abstract: A process for preparing a polyvalent metal salt of a salicylic acid resin which comprises the steps of reacting salicylic acid or its derivative with styrene or its derivative at a temperature of -20 DEG C or higher but lower than 40 DEG C in the presence of sulfuric acid, and then reacting the resulting reaction product with a polyvalent metal compound; an aqueous dispersion in which the polyvalent metal salt of the resin is dispersed in water; and a developing sheet in which the polyvalent metal salt of the salicylic acid resin is used.

公开(公告)号：JP2002192840A

公开(公告)日：2002-07-10

申请号：JP2001359112

申请日：2001-11-26

Applicant: MITSUI CHEMICALS INC ,  YAMAMOTO CHEMICALS INC

Inventor： MOTOJIMA TOSHIHIRO ,  OTSUJI ATSUO ,  KIDA JOTARO ,  HASEGAWA KIYOHARU ,  YOSHIKAWA KAZUYOSHI ,  NAKATSUKA MASAKATSU

IPC: B41M5/333 ,  B41M5/30 ,  C07D209/48

Abstract: PROBLEM TO BE SOLVED: To provide a heat sensitive recording material having a storage stability of a developed color image. SOLUTION: The novel zinc salt of a phthalimide derivative represented by general formula (1) is employed, in which R represents an aralkyl group or an aryl group, X1 and X2 respectively represent a hydrogen atom, an alkyl group, an alkoxy group or a halogen atom.