11.
    发明专利
    未知

    公开(公告)号:FR2797265B1

    公开(公告)日:2004-06-18

    申请号:FR9910032

    申请日:1999-08-02

    Applicant: ESSILOR INT

    Abstract: The invention is a composition comprising: 40 to 95 parts by weight of one or several monomers (I) of formula (a) wherein: R1 and R2 represent H or CH; A represents a divalent radical of formula (b) or (c) wherein m1 and m2 represent each an integer ranging between 2 and 6; and 5 to 50 parts by weight of a monomer (II) comprising at least a urethane unit and at least two (meth)acrylate functions. The invention is useful for making optical and ophthalmic articles.

    12.
    发明专利
    未知

    公开(公告)号:FR2797264B1

    公开(公告)日:2004-06-18

    申请号:FR9910031

    申请日:1999-08-02

    Applicant: ESSILOR INT

    Abstract: Polymerizable compositions for making transparent polymeric substrates, resulting transparent polymeric substrates and the applications thereof in optics. The composition comprises: from 35 to 70 parts by weight of one or more monomers (I) of formula: wherein R 1 and R 2 represent H or CH 3 , A is a divalent moiety of formula: m1 and m2 each are an integer in the range of 4 to 20, from 5 to 50 parts by weight of a monomer (II) comprising at least a urethane unit and at least two (meth)acrylate functions, and from 5 to 40 parts by weight of a monomer (III) with a high Abbe number and comprising one or more methacrylate functions, the total of the monomers (I), (II) and (III) representing 100 parts by weight.

    13.
    发明专利
    未知

    公开(公告)号:FR2799470B1

    公开(公告)日:2002-01-11

    申请号:FR9912459

    申请日:1999-10-06

    Applicant: ESSILOR INT

    Abstract: The compositions comprise:(a) at least 40 parts by weight, preferably at least 50 parts by weight, of at least one thio(meth)acrylate monomer,(b) at least one high Abbe number monomer,(c) at the most 20 parts by weight, preferably at the most 15 parts by weight and more preferably 10 parts by weight of an aromatic polyvinyl monomer, and(d) at least one polythiol, for 100 parts by weight of (a), (b), (c) and (d).Application for the manufacture of optical lenses.

    14.
    发明专利
    未知

    公开(公告)号:FR2799470A1

    公开(公告)日:2001-04-13

    申请号:FR9912459

    申请日:1999-10-06

    Applicant: ESSILOR INT

    Abstract: The invention concerns compositions comprising: (a) at least 40 parts by weight, preferably at least 50 parts by weight of at least a thio(meth)acrylate monomer; (b) at least a monomer with high Abbe coefficient; (c) not more than 20 parts by weight, preferably not more than 15 parts by weight, and advantageously not more than 10 parts by weight of an aromatic polyvinyl monomer; and (d) at least a polythiol; for 100 parts by weight of (a), (b), (c), and (d). The invention is useful for making optical lenses.

    16.
    发明专利
    未知

    公开(公告)号:FR2797265A1

    公开(公告)日:2001-02-09

    申请号:FR9910032

    申请日:1999-08-02

    Applicant: ESSILOR INT

    Abstract: The invention is a composition comprising: 40 to 95 parts by weight of one or several monomers (I) of formula (a) wherein: R1 and R2 represent H or CH; A represents a divalent radical of formula (b) or (c) wherein m1 and m2 represent each an integer ranging between 2 and 6; and 5 to 50 parts by weight of a monomer (II) comprising at least a urethane unit and at least two (meth)acrylate functions. The invention is useful for making optical and ophthalmic articles.

    19.
    发明专利
    未知

    公开(公告)号:DE60017357T2

    公开(公告)日:2005-12-22

    申请号:DE60017357

    申请日:2000-10-05

    Applicant: ESSILOR INT

    Abstract: The compositions comprise:(a) at least 40 parts by weight, preferably at least 50 parts by weight, of at least one thio(meth)acrylate monomer,(b) at least one high Abbe number monomer,(c) at the most 20 parts by weight, preferably at the most 15 parts by weight and more preferably 10 parts by weight of an aromatic polyvinyl monomer, and(d) at least one polythiol, for 100 parts by weight of (a), (b), (c) and (d).Application for the manufacture of optical lenses.

    20.
    发明专利
    未知

    公开(公告)号:AT286924T

    公开(公告)日:2005-01-15

    申请号:AT00967957

    申请日:2000-10-05

    Applicant: ESSILOR INT

    Abstract: The compositions comprise:(a) at least 40 parts by weight, preferably at least 50 parts by weight, of at least one thio(meth)acrylate monomer,(b) at least one high Abbe number monomer,(c) at the most 20 parts by weight, preferably at the most 15 parts by weight and more preferably 10 parts by weight of an aromatic polyvinyl monomer, and(d) at least one polythiol, for 100 parts by weight of (a), (b), (c) and (d).Application for the manufacture of optical lenses.

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