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:
Feb. 13, 2024
Filed:
Aug. 24, 2018
Sigma-aldrich Co. Llc, St. Louis, MO (US);
William Betz, State College, PA (US);
Curtis Frantz, State College, PA (US);
Michael Keeler, Bellefonte, PA (US);
Michael Ye, Bellefonte, PA (US);
Ken Espenschied, Spring Mills, PA (US);
Sara Smith, St. Louis, MO (US);
Brittany A. Smith, State College, PA (US);
Sigma-Aldrich Co. LLC, St. Louis, MO (US);
Abstract
Polymeric adsorbents useful for solid phase extraction (SPE) comprising a copolymer formed by copolymerizing at least one hydrophobic monomer including divinylbenzene and at least one hydrophilic monomer including acrylonitrile are provided. Also provided are SPE cartridges including a divinylbenzene-acrylonitrile hydrophilic-lipophilic balance adsorbent. Further provided are methods of using a divinylbenzene-acrylonitrile hydrophilic-lipophilic balance adsorbent in conventional and simplified SPE techniques.