Inventor
Karl T. Zilch
Inventor
Cincinnati, OH, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A23Bprimary
A23BPreservation of foods, foodstuffs or non-alcoholic beverages14%
C07CAcyclic or carbocyclic compounds14%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds14%
C11CFatty acids from fats, oils or waxes14%
C11DDetergent compositions14%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1984Patents assigned to EMERY INDUSTRIES INC (2)· patent assignee history
1982–1997Based in Cincinnati, OH, US· patent location history
1989Patents assigned to QUANTUM CHEM CORP (1)· patent assignee history
1997Patents assigned to HENKEL CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EMERY INDUSTRIES INC | 2 | 1982–1984 |
| HENKEL CORP | 1 | 1997 |
| QUANTUM CHEM CORP | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cincinnati, OH, US | 4 | 1982–1997 |