Title:
ANTIMICROBIAL SIZE EMULSION AND GYPSUM PANEL MADE THEREWITH
Document Type and Number:
WIPO Patent Application WO/2012/091891
Kind Code:
A3
Abstract:
Disclosed is an emulsion of an internal paper size and a biocidal emulsifying agent, such as a cationic non-starchy quaternary ammonium compounds, that is introduced into a paper-making furnish to produce an anti-microbial paper. The antimicrobial paper is useful as facing for gypsum panels. A method of making the paper includes emulsifying the internal size with a biocide before introducing the size to the paper furnish. A method of making a microbial growth resistant gypsum panel that incorporates the antimicrobial paper is also disclosed.
Inventors:
ROHLF EVAN V (US)
SCALF MARK B (US)
SCALF MARK B (US)
Application Number:
PCT/US2011/064312
Publication Date:
August 23, 2012
Filing Date:
December 12, 2011
Export Citation:
Assignee:
UNITED STATES GYPSUM CO (US)
ROHLF EVAN V (US)
SCALF MARK B (US)
ROHLF EVAN V (US)
SCALF MARK B (US)
International Classes:
A01N33/12; A01N25/34; A01P1/00; E04C2/04
Domestic Patent References:
| WO1999055505A1 | 1999-11-04 | |||
| WO2008145146A1 | 2008-12-04 | |||
| WO2003051114A1 | 2003-06-26 | |||
| WO2008027430A2 | 2008-03-06 |
Foreign References:
| US20080194532A1 | 2008-08-14 | |||
| US5049383A | 1991-09-17 | |||
| US20070151685A1 | 2007-07-05 | |||
| US6342466B1 | 2002-01-29 | |||
| US6893752B2 | 2005-05-17 | |||
| US20060194072A1 | 2006-08-31 | |||
| US20070149694A1 | 2007-06-28 | |||
| FR2281335A1 | 1976-03-05 | |||
| US20070048346A1 | 2007-03-01 |
Attorney, Agent or Firm:
MICKELSON, Carole et al. (Burns & Crain LTD.,300 S. Wacker Dr., Suite 250, Chicago Illinois, US)
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