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. 17, 2023
Filed:
May. 13, 2020
Method and apparatus for minimizing the chromatographic band distortion of a back pressure regulator
Applicant:
Waters Technologies Corporation, Milford, MA (US);
Inventors:
Michael O. Fogwill, Uxbridge, MA (US);
Joseph D. Michienzi, Plainville, MA (US);
Joshua A. Shreve, Acton, MA (US);
Scott Kelley, Brookline, MA (US);
Emily J. Berg, Allison Park, PA (US);
Assignee:
Waters Technologies Corporation, Milford, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D 15/14 (2006.01); B01D 15/16 (2006.01); B01D 15/40 (2006.01); G01N 30/32 (2006.01); F16K 1/38 (2006.01); F16K 25/00 (2006.01); F15B 13/02 (2006.01); F15B 13/04 (2006.01);
U.S. Cl.
CPC ...
B01D 15/163 (2013.01); B01D 15/14 (2013.01); B01D 15/40 (2013.01); F16K 1/38 (2013.01); F16K 25/00 (2013.01); F15B 13/024 (2013.01); F15B 13/04 (2013.01); G01N 2030/328 (2013.01);
Abstract
The technology generally relates to tailoring a back pressure regulator in a chromatographic system to reduce unswept volume within the back pressure regulator to achieve better sample detection and a reduction in chromatographic band distortion effects.