The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 2015
Filed:
Sep. 14, 2012
Xiaohua S. Qiu, Midland, MI (US);
Steven D. Jons, Eden Prairie, MN (US);
Joseph D. Koob, Jordan, MN (US);
Martin H. Peery, Bloomington, MN (US);
Steven Rosenberg, Shorewood, MN (US);
Abhishek Roy, Edina, MN (US);
Ian A. Tomlinson, Midland, MI (US);
XiaoHua S. Qiu, Midland, MI (US);
Steven D. Jons, Eden Prairie, MN (US);
Joseph D. Koob, Jordan, MN (US);
Martin H. Peery, Bloomington, MN (US);
Steven Rosenberg, Shorewood, MN (US);
Abhishek Roy, Edina, MN (US);
Ian A. Tomlinson, Midland, MI (US);
Dow Global Technologies LLC, Midland, MI (US);
Abstract
A method for preparing a high purity (e.g. greater than 70 wt. %) mono-hydrolyzed acyl halide compound as a precipitate from solution comprising the steps of preparing a solution comprising: i) at least 80 v/v % of a hydrocarbon solvent, ii) water at a molar concentration greater than its solubility limit within the solvent but less that its solubility limit in solution, iii) a tri-hydrocarbyl phosphate compound, and iv) a polyfunctional acyl halide compound at molar ratio to both water and the tri-hydrocarbyl phosphate compound of at least 1:1.