Patents by Inventor Gloriana Kuswanto

Gloriana Kuswanto 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).

  • Ammoniacal copper zinc arsenate concentrates and methods of preparation
    Patent number: 8911792
    Abstract: Disclosed herein is a composition concentrate that is suitable for treating wood upon dilution with water in a weight ratio of concentrate to water of between 1:10 and 1:100. The concentrate contains copper ammonium cations, zinc ammonium cations, arsenate and/or hydrogen arsenate anions; carbonate and/or bicarbonate anions, ammonia and water, wherein the total amount of copper and zinc is from 17% to about 22% by weight based on the total volume of the concentrate. Also disclosed is a process for producing ammoniacal copper zinc arsenate concentrate.
    Type: Grant
    Filed: October 13, 2011
    Date of Patent: December 16, 2014
    Assignee: Arch Wood Protection, Inc.
    Inventors: Jayesh P. Patel, Gloriana Kuswanto
  • Ammoniacal Copper Zinc Arsenate Concentrates and Methods of Preparation
    Publication number: 20120128791
    Abstract: Disclosed herein is a composition concentrate that is suitable for treating wood upon dilution with water in a weight ratio of concentrate to water of between 1:10 and 1:100. The concentrate contains copper ammonium cations, zinc ammonium cations, arsenate and/or hydrogen arsenate anions; carbonate and/or bicarbonate anions, ammonia and water, wherein the total amount of copper and zinc is from 17% to about 22% by weight based on the total volume of the concentrate. Also disclosed is a process for producing ammoniacal copper zinc arsenate concentrate.
    Type: Application
    Filed: October 13, 2011
    Publication date: May 24, 2012
    Inventors: Jayesh P. Patel, Gloriana Kuswanto