Inventor
Ernest J. Mayer
Inventor
St. Louis, MO, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Kprimary
A61KPreparations for medical, dental or toiletry purposes24%
C12NMicroorganisms or enzymes24%
C12YEnzymes24%
B82YSpecific uses or applications of nanostructures6%
C01GCompounds containing metals not covered by subclasses c01d or c01f6%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds6%
C02FTreatment of water, waste water, sewage, or sludge6%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties6%
PatentTitleYear
5,244,676'Modified tissue plasminogen activator with modified glycosylation site'19935,100,666'Modified tissue plasminogen activator K2K2SP'19925,037,752'Modified tissue plasminogen activator substituted at cysteine-73 and lysine-277'19914,963,357'Tissue plasminogen activator modified by the substitution of Arg for Cys at position 73, methods and pharmaceutical compositions therefor'19904,382,822'Synthetic rhombohedral magnetite pigment'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983Patents assigned to PFIZER (1)· patent assignee history
1983Based in Easton, PA, US· patent location history
1990–1993Patents assigned to MONSANTO CO (4)· patent assignee history
1990–1993Based in St. Louis, MO, US· patent location history
1991Based in King of Prussia, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MONSANTO CO | 4 | 1990–1993 |
| PFIZER | 1 | 1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| St. Louis, MO, US | 3 | 1990–1993 |
| King of Prussia, Pennsylvania, US | 1 | 1991 |
| Easton, Pennsylvania, US | 1 | 1983 |