Hans-Rudolf Meier has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
Abstract: Compounds of formula I ##STR1## wherein R.sub.1, R.sub.2 and A are essentially hydrocarbyl or substituted hydrocarbyl groups with at least one of R.sub.1 and R.sub.2 being cyclohexyl, n is 0, 1 or 2, m is an integer of 1 to 4 and X is oxygen or --N(R.sub.3)-- wherein R.sub.3 is hydrogen, C.sub.1 -C.sub.4 alkyl or phenyl.
October 8, 1986
Date of Patent:
October 13, 1987
Ivan Orban, Hans-Rudolf Meier, Paul Dubs, Samuel Evans, Peter Hofmann