Walther Schulz

Process and installation for the flooding of petroleum deposits and oil shale

Process for removing oils or petroleum from the surface of the sea

Process for separating hydrocarbons from particulate solids

Process for extracting crude oil from tar sands

Trehalose lipid tetraesters

Process for avoiding penetration or sticking of crude oil or oil-bearing hydrocarbons on earth, sand or objects

Method for removal of oil from sorbents using glycolipids

Apparatus for removal of oil from water and adsorbents using glycolipids

Method for the tertiary recovery of petroleum by flooding with hot water and an aqueous alkaline solution

Prevention of penetration of oily hydrocarbons into sand