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:
Mar. 10, 1992
Filed:
Aug. 03, 1990
Christopher H Sheridan, Cresskill, NJ (US);
John A Amann, Mount Vernon, NY (US);
Nordico, Inc., New York, NY (US);
Abstract
A method of making a substantially flexible dry matrix capable of removing dust, organic film or both, to which no water has been added other than that naturally present therein, said matrix possessing anti-static properties and being capable of removing dust and retaining said dust on the surface threreof comprising uniformly contacting said which comprises passing a continuous line of a matrix material comprising (a) natural or synthetic woven, non-woven or knitted fibers, or (b) flexible foam material or combinations thereof with between an engraved roll and a smooth roll, said engraved roll containing a non aqueous treatment solution on the surface thereof; coating said matrix material with an effective amount of a non-aqueous treatment solution sufficient to allow said matrix to retain its substantially flexible dry characteristics and to remove said dust and organic film; said non-aqueous treatment solution comprising by weight between about 25% and 75% of at least one glycol compound and between about 0.2% and 60% of a cationic surfactant.