Inventor

Cathy C. Johnson

Inventor
Geneva, IL, US

Overview

13→
Patents
2001–2007
Patent span
Chemistry
Primary field (CPC C)

Patents· 13 as inventor

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

C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds20%
C02FTreatment of water, waste water, sewage, or sludge16%
B03DFlotation8%
C08JWorking-up8%
LOC098%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for4%
A61KPreparations for medical, dental or toiletry purposes4%
A61QSpecific use of cosmetics or similar toiletry preparations4%
B63BShips or other waterborne vessels4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2002Patents assigned to NALCO CHEMICAL CO (4)· patent assignee history
2001–2004Based in Geneva, IL, US· patent location history
2003–2004Patents assigned to ONDEO NALCO CO (3)· patent assignee history
2004Patents assigned to NALCO CO (2)· patent assignee history
2006–2007Patents assigned to JACAD INC (3)· patent assignee history
2006Patents assigned to JOHNSON CATHY (1)· patent assignee history
2006–2007Based in Tampa, FL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NALCO CHEMICAL CO42001–2002
JACAD INC32006–2007
ONDEO NALCO CO32003–2004
NALCO CO22004
JOHNSON CATHYself12006
Locations
LocationPatentsSpan
Geneva, Illinois, US92001–2004
Tampa, Florida, US42006–2007