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:
May. 10, 1994
Filed:
Feb. 04, 1993
Applicant:
Inventor:
Willie Lau, Ambler, PA (US);
Assignee:
Rohm & Haas, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08G / ; C08G / ;
U.S. Cl.
CPC ...
528 73 ; 524591 ; 528 44 ; 528 45 ;
Abstract
A hydrophobically-modified thickener having at least one hydrophilic portion and at least two terminal hydrophobic portions wherein at least one of the hydrophobic portions contains a stable free radical and its preparation are disclosed. The presence of the stable free radical permits analysis by spin-labelling analytical techniques, such as, for example, electron spin resonance.