Inventor
PIETSCH HANNS
16 patents
⚠️ This page may combine multiple inventors who share the name “PIETSCH HANNS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BEIERSDORF AG
13 patentsUS4643732AFeb 17, 1987
Heart valve prosthesis
BEIERSDORF AG653 citations98
US4778461AOct 18, 1988
Heart valve prosthesis and process for its production
BEIERSDORF AG261 citations97
US4996054AFeb 26, 1991
Antithrombogenic, non-calcifying material and method of making articles for medical purposes
BEIERSDORF AG96 citations95
US4831065AMay 16, 1989
Antithrombogenic, non-calcifying material and method of making articles for medical purposes
BEIERSDORF AG39 citations95
US5147344ASep 15, 1992
Hydrogel foams, and a process for their preparation
BEIERSDORF AG72 citations92
US4588583AMay 13, 1986
Surgical material
BEIERSDORF AG110 citations92
US4486488ADec 4, 1984
Composition for the production of bandages, bandages produced therewith and method for the production thereof
BEIERSDORF AG37 citations92
US4947834AAug 14, 1990
Device for treating human extremities
BEIERSDORF AG92 citations89
US4456711AJun 26, 1984
Process for the preparation of a powder mixture for surgical use
BEIERSDORF AG35 citations88
US4144157AMar 13, 1979
Acrylic and methacrylic self-adhesive composition and radiation method of making same
BEIERSDORF AG37 citations86
US4902728AFeb 20, 1990
Surgical material
BEIERSDORF AG15 citations68
US6136866AOct 24, 2000
Preparation for reducing the bond strength of adhesive tapes
BEIERSDORF AG1 citations49
US4011387AMar 8, 1977
Adhesive resins and method of production thereof
BEIERSDORF AG1 citations47