MUMBAI, India, Sept. 7 -- Intellectual Property India has published a patent application (202617083909 A) filed by Holland Colours N. V. on July 08, 2026, for Bio-Sourced Phthalocyanine Complex, Preparation And Use Thereof.
Inventors include Bender, Timothy P.; and Roelofs, Jules Caspar Albert Anton.
The application for the patent was published on September 04, 2026, under issue no. 36/2026.
Abstract: The invention is directed to a phthalocyanine complex, a method for preparing the phthalocyanine complex, a colour composition comprising the phthalocyanine complex, a method for preparing a colour composition comprising the phthalocyanine complex, an article, and uses of the phthalocyanine complex. The phthalocyanine complex of the invention has general formula (I): wherein R1 - R16 are the same or different and each R1 to R16 is individually selected from the group consisting of hydrogen, C1-C22 alkyl, C3-C22 alkenyl, C3-C22 alkynyl, chlorine, bromine, fluorine, iodine, sulphonate, and -[(CH2)n-O-(CH2)m]o-CH3, wherein n = 0-16, m = 1- 16, o = 1-20, wherein M is selected from the group consisting of Cu, Ni, Zn, Co, Fe, Mn, and Al, and wherein the phthalocyanine complex has a biobased carbon content of at least 10 % relative to the total mass of carbon in the phthalocyanine complex, as determined according to ASTM D 6866-22.
Disclaimer: Curated by HT Syndication.
