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:
Jan. 12, 2016
Filed:
Dec. 18, 2008
Applicants:
Ray L. Johnston, Ponca City, OK (US);
William F. Harris, Ponca City, OK (US);
Kenneth W. Smith, Tonkawa, OK (US);
Inventors:
Ray L. Johnston, Ponca City, OK (US);
William F. Harris, Ponca City, OK (US);
Kenneth W. Smith, Tonkawa, OK (US);
Assignee:
Lubrizol Speciality Products, Inc., Houston, TX (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F17D 1/17 (2006.01);
U.S. Cl.
CPC ...
F17D 1/17 (2013.01); Y02E 60/34 (2013.01); Y10T 137/0391 (2015.04);
Abstract
A method for drag reducing low molecular weight liquids is provided. More specifically, a method to separate drag reducers from low molecular weight liquids, such as hydrocarbons and anhydrous ammonia, is provided.