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. 23, 1988
Filed:
Apr. 30, 1986
Applicant:
Inventors:
Robert B Friedman, Chicago, IL (US);
Isaac R West, South Holland, IL (US);
Assignee:
American Maize-Products Company, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ; B08B / ;
U.S. Cl.
CPC ...
210692 ; 134-7 ; 210909 ;
Abstract
A method for removing polychlorinated biphenyl compounds from water is disclosed. The method encompasses the use of a cyclodextrin polymer made by forming a water-insoluble cross-linked cyclodextrin polymer to treat water contaminated with the polychlorinated biphenyl compounds. Both a batch and a continuous method are disclosed. Both methods operate at ambient conditions. Additionally, a method to absorb the polychlorinated biphenyl is disclosed.
Friedman, Robert. (1988). Method for removing polychlorinated biphenyl compounds from water (U.S. Patent No. 4726905). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4726905
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile