Synthesis of benzotriazole monomer

Details Synthesis of benzotriazole monomer Synthesis of benzotriazole monomer

2008-10-17

2010-11-02

Saeed, Kamal A (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C548S260000

Reexamination Certificate

active

07825257

ABSTRACT:
The synthesis of benzotriazole monomers and the use of the benzotriazole monomers and one or more other monomers to prepare ultraviolet (UV) light absorbing polymer compositions. The synthetic methods described in this application provide a significant improvement over the previous methods used to prepare benzotriazole monomers.

REFERENCES:
patent: 3213058 (1965-10-01), Boyle et al.
patent: 4528311 (1985-07-01), Beard et al.
patent: 4716234 (1987-12-01), Dunks et al.
patent: 4803234 (1989-02-01), Cantatore et al.

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