Xiao Ying Jiang

US Patent:

7582694, Sep 1, 2009

Filed:

Aug 29, 2003

Appl. No.:

10/526784

Inventors:

Xiao Jiang - Emerson NJ, US
Ahmed M. Tafesh - Allentown PA, US
Joseph B. Williams - Easton PA, US
Howard A. Cash - Middlesex NJ, US
Kenneth S. Geick - Mercerville NJ, US

Assignee:

Lonza, Inc. - Fair Lawn NJ

International Classification:

C08K 5/19
C08K 5/41

US Classification:

524186, 524156

Abstract:

The invention relates to a polymer-cellulosic fiber composition comprising a polymer, a cellulosic fiber, and a quaternary ammonium alkyl salt wherein the latter imparts antimicrobial properties to the composition and functions as a lubricant during the formation of the composition. The quaternary ammonium alkyl salts may be alkyl carboxylate, alkyl sulfate, alkyl sulphonate, alkyl phosphate, or alkyl phosphite. Certain of the salts are new compositions of matter. The method of extruding and the extrudate are also claimed.

US Patent:

8530064, Sep 10, 2013

Filed:

Oct 7, 2009

Appl. No.:

12/575080

Inventors:

Xiao Jiang - Emerson NJ, US
Leigh Walker - East Greenbush NY, US

Assignee:

Lonza, Inc. - Allendale NJ

International Classification:

C11D 3/48

US Classification:

428703, 4285375, 4285377, 156 39, 156 44, 156 45, 162161, 510199, 510383, 510384, 510391

Abstract:

Disclosed is a method for inhibiting the growth of mold on building materials by application onto and/or incorporation into the building material of a mold-inhibiting composition comprising dehydroacetic acid or a salt thereof and, optionally, an additional fungicidal agent such as a quaternary ammonium compound. A preferred application of the method is the inhibition of mold growth on plasterboard (drywall).