P

Inventor

SCHULZ WALTHER

9 patents
⚠️ This page may combine multiple inventors who share the name “SCHULZ WALTHER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WINTERSHALL AG

6 patents
US4720456AJan 19, 1988

Trehalose lipid tetraesters

WINTERSHALL AG42 citations87
US4663039AMay 5, 1987

Apparatus for removal of oil from water and adsorbents using glycolipids

WINTERSHALL AG7 citations72
US4392892AJul 12, 1983

Process for separating hydrocarbons from particulate solids

WINTERSHALL AG13 citations72
US4374735AFeb 22, 1983

Method for removal of oil from sorbents using glycolipids

WINTERSHALL AG7 citations72
US4223730ASep 23, 1980

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

WINTERSHALL AG5 citations57
US4437993AMar 20, 1984

Prevention of penetration of oily hydrocarbons into sand

WINTERSHALL AG1 citations50

BIOTECHNOLOG FORSCHUNG GMBH

2 patents
US4284509AAug 18, 1981

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

BIOTECHNOLOG FORSCHUNG GMBH24 citations81
US4286660ASep 1, 1981

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

BIOTECHNOLOG FORSCHUNG GMBH22 citations78

LINDOERFER WALTER

1 patent
US4427528AJan 24, 1984

Process for extracting crude oil from tar sands

LINDOERFER WALTER33 citations88