P

Inventor

WICHMANN RALF

DE11 patents
⚠️ This page may combine multiple inventors who share the name “WICHMANN RALF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AGFA GEVAERT AG

5 patents
US5238791AAug 24, 1993

Bleaching bath

AGFA GEVAERT AG25 citations91
US5149618ASep 22, 1992

Bleach fixing process

AGFA GEVAERT AG16 citations72
US5009985AApr 23, 1991

Iron complexes and bleaching baths containing same

AGFA GEVAERT AG10 citations72
US5716767AFeb 10, 1998

Bleaching bath for photographic black-&-white material

AGFA GEVAERT AG2 citations61
US5354649AOct 11, 1994

Color photographic silver halide material

AGFA GEVAERT AG2 citations58

AGFAPHOTO GMBH

2 patents
US6951276B2Oct 4, 2005

Pack for processing chemicals

AGFAPHOTO GMBH9 citations68
US7028719B2Apr 18, 2006

Process for processing chemicals

AGFAPHOTO GMBH2 citations57

AGFA GEVAERT

2 patents
US6350563B1Feb 26, 2002

Photographic black-and-white reversal first developer

AGFA GEVAERT1 citations51
US6824965B2Nov 30, 2004

Bleach bath

AGFA GEVAERT1 citations49

AGFA AG

1 patent
US5565138AOct 15, 1996

Bleach

AGFA AG2 citations59

A & O IMAGINING SOLUTIONS GMBH

1 patent
US7160674B2Jan 9, 2007

Photographic chemicals bundle

A & O IMAGINING SOLUTIONS GMBH0 citations43