LexDanaLexDanabeta
Inventor

Stephen M. Ritchie

Inventor
Lexington, KY, US

Overview

3→
Patents
2001–2003
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B01Dprimary
B01DSeparation27%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry27%
C08BPolysaccharides27%
C02FTreatment of water, waste water, sewage, or sludge18%
PatentTitleYear
6,544,418'Preparing and regenerating a composite polymer and silica-based membrane'20036,544,419'Method of preparing a composite polymer and silica-based membrane'20036,306,301'Silica-based membrane sorbent for heavy metal sequestration'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2003Patents assigned to UNIV KENTUCKY RES FOUND (3)· patent assignee history
2001–2003Based in Lexington, KY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV KENTUCKY RES FOUND32001–2003
Locations
LocationPatentsSpan
Lexington, KY, US32001–2003