MUMBAI, India, June 19 -- Intellectual Property India has published a patent application (202617058231 A) filed by Buckman Laboratories International, Inc. on May 07, 2026, for Interpenetrating Polymer Network For Paper And Paperboard Coating Compositions.

Inventors include Tekobo, Samuel; and Zhang, Zhiyi.

The application for the patent was published on June 05, 2026, under issue no. 23/2026.

Abstract: An interpenetrating polymer network (IPN) is described, as well as coating compositions including a combination of a starch solution and the IPN for coating a paper or paperboard. The IPN includes a first copolymer of acrylamide and acrylic acid with a second copolymer of acrylamide and acrylic acid. The first copolymer and the second copolymer are different from each other at least with respect to average molecular weight. Processes of making the IPN and the coating composition as well as coating the paper or paperboard with the coating composition are also described.

Disclaimer: Curated by HT Syndication.