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:
Dec. 09, 2003
Filed:
Jun. 21, 2002
Saswati Datta, Cincinnati, OH (US);
Paul Amaat Raymond Gerard France, West Chester, OH (US);
Arseniy Valerevich Radomyselskiy, Cincinnati, OH (US);
The Procter & Gamble Company, Cincinnati, OH (US);
Abstract
The present invention relates to a process, preferably a continuous process, of coating a substrate, which allows water vapor and preferably air permeation, with a hydrophobic coating. The process preferably uses a thin film vacuum condensation step to create a monomer coating which is cured in situ after the coating. The process has the benefit of allowing continuous operation and providing an alternative to existing processes for hydrophobic coating. The substrates are coated such that the water vapour permeation sites are not blocked by the coating to maintain the desired breathability. The static water contact angle on the surface of such substrates is more than 95°. Such substrates are preferably employed in absorbent articles such as diapers, incontinence products, underarm sweat pads, sanitary napkins, catamenials, pantiliners, breast pads, shoe inserts of bandages or alternatively in protective garments such as gloves or rain coats for which water vapor transmission in particular from the inside to the outside is highly desirable.