Inventor

Michael J. Lentz

Inventor
Madison, WI, US

Overview

5→
Patents
1998–2007
Patent span
Textiles
Primary field (CPC D)

Patents· 5 as inventor

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

D21Cprimary
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials30%
D21BFibrous raw materials or their mechanical treatment20%
B01DSeparation10%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry10%
C01BNon-metallic elements10%
D21HPulp compositions10%
F23JRemoval or treatment of combustion products or combustion residues10%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2000Based in Indianapolis, IN, US· patent location history
2000Patents assigned to WILHELM ENV TECH INC (1)· patent assignee history
2002–2007Patents assigned to BIOPULPING INT INC (3)· patent assignee history
2002–2007Patents assigned to US AGRICULTURE (2)· patent assignee history
2002–2007Based in Madison, WI, US· patent location history
2007Patents assigned to WISCONSIN ALUMNI RES FOUND (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BIOPULPING INT INC32002–2007
US AGRICULTURE22002–2007
WILHELM ENV TECH INC12000
WISCONSIN ALUMNI RES FOUND12007
Locations
LocationPatentsSpan
Madison, WI, US32002–2007
Indianapolis, IN, US21998–2000