Post 396684 (https://www.thevespiary.org/talk/index.php?topic=7093.msg39668400#msg39668400)
(Aurelius: "Patent References US patent 4319059", Chemistry Discourse)Post 396685 (https://www.thevespiary.org/talk/index.php?topic=7093.msg39668500#msg39668500)
(Aurelius: "Patent References US patent", Chemistry Discourse)Post 396687 (https://www.thevespiary.org/talk/index.php?topic=7093.msg39668700#msg39668700)
(Aurelius: "Other Patents", Chemistry Discourse)