Methods to prevent formation damage from friction reducers Grant US-9518207-B2 United States of America 13 Dec 2016
Water-soluble degradable synthetic vinyl polymers and related methods Grant US-9334338-B2 United States of America 10 May 2016
Water-soluble degradable synthetic vinyl polymers and related methods Grant US-8772205-B2 United States of America 08 Jul 2014