Patents by Inventor Alban Elroy Richardson

Alban Elroy Richardson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20130125790
    Abstract: An aqueous liquid colorant composition having a volatile organic content up to 50 g/l and suitable for colouring aqueous or solventborne architectural coatings and basepaints comprising based on the total weight of the composition, i) from 0 to 26% of non-volatile organic liquid having a vapour pressure up to 1.3 N/m2 at 25° C. ii) from 2 to 13% of stabilising agent iii) from 4 to 77% of colour pigment iv) from 0 to 8% of rheology modifying clay v) from 0 to 20% of extender wherein the ratio of the combined weight of iii)+iv)+v): the combined weight of i)+ii) is from 0.8 to 2.75:1 and the combined weight of the non-volatile organic liquid i) and the stabilising agent ii) is no greater than 24% and the combined weight of the rheology modifying clay iv) and the extender v) is at least 2% when the amount of colour pigment is less than 51%.
    Type: Application
    Filed: May 30, 2011
    Publication date: May 23, 2013
    Applicant: Akzo Nobel Coatings International B.V.
    Inventors: Fiona McLachlan, Paul John Christopher Sasada, Alban Elroy Richardson