Granted Patent
Utility
US 6,307,080 · App. 09/700,381
Water-soluble zinc pyruvates or their hydrates, method for the product ion thereof and their use
Inventors:
Ivo Pischel, Henrich H. Paradies
Patented Case
View Patent ↗
Granted: Oct 23, 2001
Filed: Dec 13, 2000
Inventors
Ivo Pischel
Henrich H. Paradies
Assignee (at issue)
SKW Trostberg Aktiengesellschaft
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.