Kevin M Mccarthy

US Patent:

52887898, Feb 22, 1994

Filed:

Mar 26, 1992

Appl. No.:

7/858202

Inventors:

Kevin J. McCarthy - University City MO

Assignee:

Petrolite Corporation - St. Louis MO

International Classification:

C12N 100
C12N 134
C08F28306
C08G 6502

US Classification:

435243

Abstract:

A method is disclosed for controlling foam in a fermentation broth by adding to the fermentation broth an effective amount of a composition comprising a compound corresponding to the formula: ##STR1## wherein AO is an oxyalkylene copolymer moiety of oxypropylene and oxyethylene units, each oxyalkylene copolymer moiety having a molecular weight of at least about 300 and an oxypropylene to oxyethylene molar ratio of from about 2:1 to about 10:1, n is an integer from about 1 to about 20, R is an alkyl group of from about three to about twelve carbon atoms, and R' is methylene or substituted methylene. The composition can be added to fermentation broths to prevent the formation of foam or to reduce foam which has already formed. The above defined composition is also disclosed in a form free of solvent, such as xylene.

US Patent:

20190314834, Oct 17, 2019

Filed:

Apr 12, 2019

Appl. No.:

16/382456

Inventors:

Kevin McCarthy - Affton MO, US

International Classification:

B05B 7/04

Abstract:

A cup liner for a cup of a spray gun includes a fluid reservoir portion that defines a reservoir and includes a divider portion dividing the reservoir into two or more compartments. Each compartment contains a fluid to be dispensed by the spray gun and keeps the fluids separated from fluids held by other compartments. In addition, a fitting for a spray gun includes two or more inlet interfaces and an outlet interface. Each inlet interface couples to a fluid source and the outlet couples to the spray gun such that the fitting provides fluid communication between each fluid source and the spray gun. This permits the spray gun to spray a mixture of the fluids.