Inventor
ZIMMERMANN WILLIAM D
US6 patents
⚠️ This page may combine multiple inventors who share the name “ZIMMERMANN WILLIAM D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HENKEL CORP
5 patentsUS5266410ANov 30, 1993
Treatment and after-treatment of metal with polyphenol compounds
HENKEL CORP32 citations92
US5068299ANov 26, 1991
Carbodohydrate-modifed polyphenol compounds and compositions containing them
HENKEL CORP26 citations92
US5039770AAug 13, 1991
Treatment and after-treatment of metal with polyphenol compounds
HENKEL CORP28 citations92
US4963596AOct 16, 1990
Treatment and after-treatment of metal with carbohydrate-modified polyphenol compounds
HENKEL CORP50 citations92
US5116912AMay 26, 1992
Polyphenolic compounds and uses thereof
HENKEL CORP36 citations89