Inventor

PARR ERFRIED

4 patents

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

DEGUSSA

3 patents

US4073867AFeb 14, 1978

HENKEL KGAA

1 patent

US4088593AMay 9, 1978

Ion-exchanging aluminum silicate with hydrophilic surfaces

HENKEL KGAA5 citations60

PARR ERFRIED

DEGUSSA

Process for the production of crystalline zeolitic molecular sieves of type A

Process for the production of aluminum silicates

Ion-exchanging aluminum silicate with hydrophilic surfaces

HENKEL KGAA

Ion-exchanging aluminum silicate with hydrophilic surfaces