The following shall be excluded from patent protection even if they constitute inventions under article 5 (7): of this Law;
1) discoveries, scientific theories and mathematical methods;
4) substances, even if purified, synthesized or otherwise isolated from nature; nevertheless, this provision shall not apply to the processes of isolating those substances from their original environment;
6) plants and animals, including their parts, other than micro-organisms, and essentially biological processes for the production of plants or animals and their parts, other than non-biological and microbiological processes and products obtained from those processes;