Patent · US Active

Shading process

US7799098B2 · kind B2 · utility

1Cited by

4References

9Claims

0Family size

Assignee

Ciba Specialty Chemicals Corporation · US

Inventors

Alfred Hohener · Magden, CH
Frank Bachmann · Glückstadt, DE
Adolf Kaser · Bottmingen, CH
Chandrasekhar Dayal Mudaliar · Mumbai, IN
Dinesh Narendra Rele · Mumbai, IN
Sneha Shankar Rane · Mumbai, IN
Georg Roentgen · Glückstadt, DE

Key dates

Filing date	Aug 22, 2005
Grant date	Sep 21, 2010
Priority date	—
Expiry date	Mar 31, 2027

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD06L4/686
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a shading process characterized by using a composition comprising a phthalocyanine to which at least one dyestuff is attached through a covalent bonding, to shading compositions, to new compounds used in these shading compositions as well as to the production of these new compounds.

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