Inventor

Richard S. Hanson

Inventor
Wayzata, MN, US

Overview

8→
Patents
1989–2001
Patent span
Chemistry
Primary field (CPC C)

Patents· 8 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C12Nprimary
C12NMicroorganisms or enzymes23%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture18%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
C02FTreatment of water, waste water, sewage, or sludge9%
C12RIndexing scheme associated with subclasses c12c - c12q, relating to microorganisms9%
C12YEnzymes9%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management9%
C07CAcyclic or carbocyclic compounds5%
C07HSugars5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2001Patents assigned to UNIV MINNESOTA (7)· patent assignee history
1989Based in Deephaven, MN, US· patent location history
1993–1995Patents assigned to BIOTROL INC (2)· patent assignee history
1993–2001Based in Wayzata, MN, US· patent location history
2000Based in Falcon Heights, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV MINNESOTA71989–2001
BIOTROL INC21993–1995
Locations
LocationPatentsSpan
Wayzata, Minnesota, US61993–2001
Falcon Heights, Minnesota, US12000
Deephaven, Minnesota, US11989