Invention Grant
- Patent Title: Titanium dioxide
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Application No.: US12935600Application Date: 2009-05-01
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Publication No.: US09127172B2Publication Date: 2015-09-08
- Inventor: John Robb , John L. Edwards , John Temperley , Robert Bird , Paul C. Bradley , Anthony G. Jones
- Applicant: John Robb , John L. Edwards , John Temperley , Robert Bird , Paul C. Bradley , Anthony G. Jones
- Applicant Address: GB Wynyard Park, Stockton-on-Tees
- Assignee: TIOXIDE EUROPE LIMITED
- Current Assignee: TIOXIDE EUROPE LIMITED
- Current Assignee Address: GB Wynyard Park, Stockton-on-Tees
- Agent Monique M. Raub
- Priority: GB0808239.8 20080507; GB0814515.3 20080808
- International Application: PCT/GB2009/001096 WO 20090501
- International Announcement: WO2009/136141 WO 20091112
- Main IPC: C09D1/00
- IPC: C09D1/00 ; C09D11/00 ; C09D5/03 ; C01G23/053 ; C09C1/36 ; C09D5/33 ; C09D7/12 ; C09D11/037 ; C08K3/22

Abstract:
A colored composition comprising: a) NIR scattering TiO2 particulate material with an average crystal size of greater than 0.40 μm and a particle size distribution such that 30% or more of the particles are less than 1 μm; b) one or more non-white colorant; wherein the particulate material and the non-white colorant are dispersed within a vehicle. This material with a large crystal size has unusually high reflection of NIR radiation and, simultaneously, noticeably diminished reflectance of visible light. Also disclosed is a coated particulate TiO2 material, wherein the material has an average crystal size of greater than 0.40 μm, and the coating comprises one or more oxide material; this provides low levels of photocatalytic activity that were previously unattainable. This coated TiO2 material may be provided in a composition.
Public/Granted literature
- US20110041726A1 TITANIUM DIOXIDE Public/Granted day:2011-02-24
Information query
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