Inventor

Carl-Heinz Ehrke

Inventor

Zabeltitz, DE

Overview

2→

Patents

2001–2016

Patent span

Chemistry

Primary field (CPC C)

Patents· 2 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 compounds40%

C01BNon-metallic elements20%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium20%

C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties20%

PatentTitleYear

9,527,874'Process for surface modification of particulate solids'2016 6,322,765'Process for preparing silicon dioxide'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001Patents assigned to WACKER CHEMIE GMBH (1)· patent assignee history

2001Based in Tuessling, DE· patent location history

2016Patents assigned to WACKER CHEMIE AG (1)· patent assignee history

2016Based in Zabeltitz, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
WACKER CHEMIE AG	1	2016
WACKER CHEMIE GMBH	1	2001

Locations

Location	Patents	Span
Zabeltitz, DE	1	2016
Tuessling, DE	1	2001