Inventor
Donald R. Durham
Inventor
Gaithersburg, MD, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Sprimary
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests19%
C12NMicroorganisms or enzymes17%
C02FTreatment of water, waste water, sewage, or sludge11%
C11DDetergent compositions11%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management11%
A61KPreparations for medical, dental or toiletry purposes8%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
C12RIndexing scheme associated with subclasses c12c - c12q, relating to microorganisms8%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations6%
PatentTitleYear
6,107,067'Porous, non-macroporous, inorganic oxide carrier body for immobilizing microorganisms for bioremediation'20006,017,531'Hydrophilic composition containing protease produced by Vibrio'20005,569,634'Process upset-resistant inorganic supports for bioremediation'19965,505,943'Compositions containing protease produced by vibrio and method of use in debridement and wound healing'19965,403,799'Process upset-resistant inorganic supports for bioremediation'19955,403,809'Composite inorganic supports containing carbon for bioremediation'19955,145,681'Compositions containing protease produced by vibrio and method of use in debridement and wound healing'19924,865,983'Cleaning compositions containing protease produced by vibrio and method of use'19894,771,003'Heat stable alkaline proteases produced by a bacillus'19884,764,470'Alkaline protease produced by a bacillus'19884,610,800'Method for unclogging drainage pipes'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1988Patents assigned to GENEX CORP (3)· patent assignee history
1986Based in Germantown, MD, US· patent location history
1988–2000Based in Gaithersburg, MD, US· patent location history
1989–2000Patents assigned to GRACE W R & CO (8)· patent assignee history
2000Patents assigned to CONN TEVA PHARMACEUTICALS USA (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GRACE W R & CO | 8 | 1989–2000 |
| GENEX CORP | 3 | 1986–1988 |
| CONN TEVA PHARMACEUTICALS USA | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Gaithersburg, Maryland, US | 10 | 1988–2000 |
| Germantown, Maryland, US | 1 | 1986 |