ROBERT S SLAGEL
Engineers in Pittsburgh, PA
License number
Pennsylvania PE053797E
Category
Engineers
Type
Professional Engineer
Address
Address
Pittsburgh, PA 15223
Professional information
Process For Making Paper Products Of Improved Dry Strength
US Patent:
4056432, Nov 1, 1977
Filed:
Jul 6, 1971
Appl. No.:
5/160097
Inventors:
Robert Clayton Slagel - Pittsburgh PA
Gloria DiMarco Sinkovitz - Bridgeville PA
Gloria DiMarco Sinkovitz - Bridgeville PA
Assignee:
Calgon Corporation - Pittsburgh PA
International Classification:
D21D 300
US Classification:
162168NA
Abstract:
Paper products exhibiting markedly improved dry strength properties are produced by adding to the cellulose paper dispersion a chitin-based compound comprising chitosan alone or a graft copolymer of certain acrylic and/or diallylic monomers grafted onto the chitosan as a substrate.