Rohm and Haas Company Patent: US4358308 A1, 1982 ; Title/Abstract Full Text Show Details Rohm and Haas Company Patent: US4419122 A1, 1983 ; Title/Abstract Full Text Show Details Rohm and Haas Company Patent: US4419123 A1, 1983 ; Title/Abstract Full Text Show Details Rohm and Haas Company Patent: US4419124 A1, 1983 ;