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:
Jun. 18, 1985
Filed:
Feb. 14, 1984
Applicant:
Inventors:
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210649 ; 210708 ; 210508 ; 210D / ;
Abstract
In a process for the separation of oil from an oil-in-water dispersion by coalescence followed by separation of coalesced drops, coalescence is carried out at the surface of a solid material manufactured by contacting a solid material having active H atoms in surface groups or a polyolefin in the presence of water with a compound Si(R.sup.1)(R.sup.2)(R.sup.3)(R.sup.4), in which R.sup.1 is a (cyclo)aliphatic group containing one or more amino groups, R.sup.2 a hydrolyzable group and R.sup.3 and R.sup.4 a hydrolyzable or non-hydrolyzable organic group or a hydrolyzable atom.