Inventor

Ralph Spindler

Inventor
Palatine, IL, US

Overview

10→
Patents
1993–2013
Patent span
Human necessities
Primary field (CPC A)

Patents· 10 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes15%
A61QSpecific use of cosmetics or similar toiletry preparations12%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations8%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
B82YSpecific uses or applications of nanostructures8%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
C02FTreatment of water, waste water, sewage, or sludge4%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
C08LCompositions of macromolecular compounds4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Based in Pittsburgh, PA, US· patent location history
1999–2000Patents assigned to DENDRITECH INC (2)· patent assignee history
1999Patents assigned to DOW CORNING (1)· patent assignee history
1999–2000Based in Midland, MI, US· patent location history
2002–2013Patents assigned to AMCOL INTERNATIONAL CORP (5)· patent assignee history
2002–2013Based in Palatine, IL, US· patent location history
2002–2003Based in Lake Zurich, IL, US· patent location history
2003Patents assigned to BASF AG (2)· patent assignee history
2012–2013Patents assigned to SPINDLER RALPH (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AMCOL INTERNATIONAL CORP52002–2013
BASF AG22003
DENDRITECH INC21999–2000
SPINDLER RALPHself22012–2013
DOW CORNING11999
Locations
LocationPatentsSpan
Palatine, Illinois, US42002–2013
Lake Zurich, Illinois, US32002–2003
Midland, MI, US21999–2000
Pittsburgh, Pennsylvania, US11993