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:
Oct. 09, 2007
Filed:
May. 06, 2003
Richard Williams, Middletown, NY (US);
Peter M. Froass, Chester, NY (US);
Sandeep Kulkarni, Morrow, OH (US);
Richard Williams, Middletown, NY (US);
Peter M. Froass, Chester, NY (US);
Sandeep Kulkarni, Morrow, OH (US);
International Paper Company, Memphis, TN (US);
Abstract
This invention relates to a process for preparing sized paper and paperboard which incorporates in the paper and paperboard at the size press size a composition comprising one or more 'hydrophobic polymers' wherein hydrophobic polymers, the amount of such polymers and the weight ratio of starch to such polymer in the composition are selected such that the paper and paper board exhibits a Cobb Value equal to or less than about 25 and to a sized paper or paperboard web formed by the process.