Inventor

Andreas Stubbe

Inventor

Rodenbach, DE

Overview

10→

Patents

1994–2004

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.

C01Pprimary

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds16%

C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties16%

B82YSpecific uses or applications of nanostructures14%

G03GElectrography14%

Y10TTechnical subjects covered by former us classification14%

C09DCoating compositions, e.g. paints, varnishes or lacquers9%

C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals7%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium7%

C01GCompounds containing metals not covered by subclasses c01d or c01f5%

PatentTitleYear

6,685,769'Aqueous carbon black dispersions'2004 6,451,100'Aqueous carbon black dispersions'2002 6,224,660'Ink mixture'2001 6,171,382'Aqueous carbon black dispersions'2001 5,501,933'Toner containing pigment and surface modified pyrogenically produced aluminum oxide'1996 5,429,873'Surface-modified silicon dioxides'1995 5,419,928'Surface-modified pyrogenically produced aluminum oxide'1995 5,415,936'Surface-modified pyrogenically produced titanium dioxide'1995 5,384,194'Surface-modified pyrogenically produced aluminum oxide'1995 5,372,905'Surface-modified pyrogenically produced titanium dioxide'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2004Patents assigned to DEGUSSA (10)· patent assignee history

1994–1996Based in Rodenbach, DE· patent location history

2001–2004Based in Aschaffenburg, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DEGUSSA	10	1994–2004

Locations

Location	Patents	Span
Rodenbach, DE	6	1994–1996
Aschaffenburg, DE	4	2001–2004