11.
    发明专利
    未知

    公开(公告)号:FI98145B

    公开(公告)日:1997-01-15

    申请号:FI902588

    申请日:1990-05-24

    Applicant: BASF AG

    Abstract: Triphenylmethane dyes of the formula +TR where each R1 is independently of the others hydrogen or substituted or unsubstituted C1-C6-alkyl, or two R1 radicals together with the nitrogen atom joining them form a heterocyclic radical, R2 and R5 is independently of the others hydrogen or C1-C4-alkyl, R3 and R4 is independently of the others hydrogen, C1-C4-alkyl, C1-C4-alkoxy or halogen, An(-) is one equivalent of an anion, and n is 1 or 2, preparable from piperazine derivatives as intermediates, are useful for coloring paper.

    12.
    发明专利
    未知

    公开(公告)号:AT135431T

    公开(公告)日:1996-03-15

    申请号:AT93920806

    申请日:1993-09-23

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP93/02580 Sec. 371 Date Mar. 15, 1995 Sec. 102(e) Date Mar. 15, 1995 PCT Filed Sep. 23, 1993 PCT Pub. No. WO94/08092 PCT Pub. Date Apr. 14, 1994A process for dyeing paper in connection with paper manufacture by adding water-soluble anionic dyes and cationic polymers which contain vinylamine units to the paper pulp as fixing agents and removing water from the paper pulp with the formation of dyed paper is described.

    13.
    发明专利
    未知

    公开(公告)号:NO902392L

    公开(公告)日:1990-12-03

    申请号:NO902392

    申请日:1990-05-30

    Applicant: BASF AG

    Abstract: Triphenylmethane dyes of the formula +TR where each R1 is independently of the others hydrogen or substituted or unsubstituted C1-C6-alkyl, or two R1 radicals together with the nitrogen atom joining them form a heterocyclic radical, R2 and R5 is independently of the others hydrogen or C1-C4-alkyl, R3 and R4 is independently of the others hydrogen, C1-C4-alkyl, C1-C4-alkoxy or halogen, An(-) is one equivalent of an anion, and n is 1 or 2, preparable from piperazine derivatives as intermediates, are useful for coloring paper.

    14.
    发明专利
    未知

    公开(公告)号:ES2084513T3

    公开(公告)日:1996-05-01

    申请号:ES93920806

    申请日:1993-09-23

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP93/02580 Sec. 371 Date Mar. 15, 1995 Sec. 102(e) Date Mar. 15, 1995 PCT Filed Sep. 23, 1993 PCT Pub. No. WO94/08092 PCT Pub. Date Apr. 14, 1994A process for dyeing paper in connection with paper manufacture by adding water-soluble anionic dyes and cationic polymers which contain vinylamine units to the paper pulp as fixing agents and removing water from the paper pulp with the formation of dyed paper is described.

    15.
    发明专利
    未知

    公开(公告)号:FI951516A0

    公开(公告)日:1995-03-30

    申请号:FI951516

    申请日:1995-03-30

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP93/02580 Sec. 371 Date Mar. 15, 1995 Sec. 102(e) Date Mar. 15, 1995 PCT Filed Sep. 23, 1993 PCT Pub. No. WO94/08092 PCT Pub. Date Apr. 14, 1994A process for dyeing paper in connection with paper manufacture by adding water-soluble anionic dyes and cationic polymers which contain vinylamine units to the paper pulp as fixing agents and removing water from the paper pulp with the formation of dyed paper is described.

    16.
    发明专利
    未知

    公开(公告)号:NO172747B

    公开(公告)日:1993-05-24

    申请号:NO902392

    申请日:1990-05-30

    Applicant: BASF AG

    Abstract: Triphenylmethane dyes of the formula +TR where each R1 is independently of the others hydrogen or substituted or unsubstituted C1-C6-alkyl, or two R1 radicals together with the nitrogen atom joining them form a heterocyclic radical, R2 and R5 is independently of the others hydrogen or C1-C4-alkyl, R3 and R4 is independently of the others hydrogen, C1-C4-alkyl, C1-C4-alkoxy or halogen, An(-) is one equivalent of an anion, and n is 1 or 2, preparable from piperazine derivatives as intermediates, are useful for coloring paper.

Patent Agency Ranking