Inventor

Carl R. Johnson

Inventor
Detroit, MI, US

Overview

10→
Patents
1988–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 10 as inventor

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

C07Dprimary
C07DHeterocyclic compounds28%
A61KPreparations for medical, dental or toiletry purposes6%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations6%
C07CAcyclic or carbocyclic compounds6%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%
C07HSugars6%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture6%
E05BLocks6%
E05CBolts or fastening devices for wings, specially for doors or windows6%
E05DHinges or suspension devices for doors, windows or wings6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2000Based in Detroit, MI, US· patent location history
1989–1994Patents assigned to UNIV WAYNE STATE (4)· patent assignee history
1993–1994Patents assigned to UNIV VANDERBILT (2)· patent assignee history
1994Patents assigned to BIOMIDE INVESTMENT LP (1)· patent assignee history
2000Patents assigned to PROCTER & GAMBLE (1)· patent assignee history
2021Patents assigned to ANDERSEN CORP (2)· patent assignee history
2021Based in North Oaks, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV WAYNE STATE41989–1994
ANDERSEN CORP22021
UNIV VANDERBILT21993–1994
BIOMIDE INVESTMENT LP11994
PROCTER & GAMBLE12000
Locations
LocationPatentsSpan
Detroit, MI, US81988–2000
North Oaks, Minnesota, US22021