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:
Jul. 09, 1996
Filed:
Dec. 12, 1994
Applicant:
Inventors:
Helen Bailly, Eagan, MN (US);
Arthur Luedtke, Woodbury, MN (US);
Paul Pankratz, Lakeville, MN (US);
Joy Allen, Jordan, MN (US);
Tina O Outlaw, Inver Grove Heights, MN (US);
Lance K Fisher, Excelsior, MN (US);
Kelvin D Sundeen, Eagan, MN (US);
Assignee:
Ecolab Inc., St. Paul, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ;
U.S. Cl.
CPC ...
510367 ; 510439 ; 510379 ; 510380 ; 510381 ; 510220 ; 510224 ; 510225 ; 510296 ;
Abstract
Uniform, microscopic perforated water soluble film is herein described, and its use in packaging solid, pelletized or particulate detersire compositions containing strong acids, strong bases or a source of halogen whereby the package provides air to pass through without leakage of its contents. Also described is a method of manufacture of a sealed, water soluble, detersire package with microscopic perforations and an apparatus for said manufacture.