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:
Oct. 02, 2001
Filed:
Jul. 27, 1993
Applicant:
Inventors:
Peter Colson, Stadecken-Elsheim, DE;
Holger Weil, Mainz, DE;
Assignee:
Shell Research Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 1/904 ;
U.S. Cl.
CPC ...
B01D 1/904 ;
Abstract
Paraffinic oils which comprise in the range of from 45% to 100% basis mass per mass of one or more paraffinic hydrocarbon(s) and have an average molecular weight in the range of from 100-200 are useful as antifoam agents, especially in a surfactant-containing concentrate or an adjuvant concentrate for crop protection use.