Patent · US Expired

Polyoxyalkylene substituted and bridged triazine, benzotriazole and benzophenone derivatives as UV absorbers

US6369267B1 · kind B1 · utility

6Cited by

8References

7Claims

0Family size

Assignee

Ciba Specialty Chemicals Corporation · US

Inventors

Vien Van Toan · Lentigny, CH
Andreas Valet · Lörrach, DE
Pascal Hayoz · Therwil, CH

Key dates

Filing date	Oct 4, 2000
Grant date	Apr 9, 2002
Priority date	—
Expiry date	Oct 4, 2020

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S430/132
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Triazine, benzotriazole and benzophenone derivatives which are substituted or bridged with polyoxyalkylene groups, according to claim 1, and their use as UV absorbers, especially in photographic materials, in inks, including inkjet inks and printing inks, in transfer prints, in paints and varnishes, organic polymeric materials, plastics, rubber, glass, packaging materials, in sunscreens of cosmetic preparations and in skin protection compositions.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.