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.:

US 6770285 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 03, 2004

Filed:

Nov. 20, 2001
Applicant:
Inventors:

Andrea C. Keenan, Plymouth Meeting, PA (US);

Willie Lau, Spring House, PA (US);

Curtis Schwartz, Ambler, PA (US);

Assignee:

Rohm and Haas Company, Philadelphia, PA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 7/00 ;
U.S. Cl.
CPC ...
A61K 7/00 ;
Abstract

Hydrophobic, oil-absorbing polymeric compositions, prepared from high levels of hydrophobic monomers, are provided for transferring oily substances and hydrophobic materials to and from various surfaces in a heterogeneous medium. A reversible process is described for transferring oily substances and hydrophobic materials to and from various surfaces in a heterogeneous medium using oil-absorbing films, solid particles or dispersions of aqueous emulsion polymers prepared from hydrophobic monomers.


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Keenan, Andrea. (2004). Hydrophobic oil absorbing polymers and process (U.S. Patent No. 6770285). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6770285

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