Inventor
Robert G. Wolfangel
Inventor
Ballwin, MO, US
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Kprimary
A61KPreparations for medical, dental or toiletry purposes35%
A61BDiagnosis18%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests18%
Y10TTechnical subjects covered by former us classification18%
G01RMeasuring electric variables6%
C01GCompounds containing metals not covered by subclasses c01d or c01f3%
G21GConversion of chemical elements3%
PatentTitleYear
5,690,908'Treated apatite particles for medical diagnostic imaging'19975,609,850'Treated apatite particles for ultrasound imaging'19975,595,724'Treated calcium/oxyanion-containing particles for medical diagnostic imaging'19975,468,465'Treated apatite particles for x-ray diagnostic imaging'19955,407,659'Treated calcium/oxyanion-containing particles for medical diagnostic imaging'19955,382,388'Process for the preparation of rhenium-188 and technetium-99m generators'19955,344,640'Preparation of apatite particles for medical diagnostic imaging'19945,219,556'Stabilized therapeutic radiopharmaceutical complexes'19934,075,314'Stannous pyrophosphate technetium-99m compositions'19784,062,933'Colloidal compositions with protective agents suitable for radioactive labeling'19774,057,616'Metal hydroxide scintigraphic agents and method of preparation'19774,048,296'Radiopharmaceutical scanning agents'19773,962,412'Metal hydroxide microspheroidal scintigraphic agents and method of preparation'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to MALLINCKRODT CHEMICAL WORKS (1)· patent assignee history
1976–1995Based in St. Louis, MO, US· patent location history
1977–1978Patents assigned to MALLINCKRODT INC (4)· patent assignee history
1977–1997Based in Ballwin, MO, US· patent location history
1993–1997Patents assigned to MALLINCKRODT MEDICAL INC (7)· patent assignee history
1995Patents assigned to UNIV MISSOURI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MALLINCKRODT MEDICAL INC | 7 | 1993–1997 |
| MALLINCKRODT INC | 4 | 1977–1978 |
| MALLINCKRODT CHEMICAL WORKS | 1 | 1976 |
| UNIV MISSOURI | 1 | 1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ballwin, MO, US | 10 | 1977–1997 |
| St. Louis, MO, US | 3 | 1976–1995 |