Patent Profile of the Person

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Filing of Patent Applications

Issuance of Patents

Maintenance of Patents

Women Inventors

Patenting Abroad

Analysis of Patent Citations

Activity of Patent Attorneys

Patent Profile of the Person

Profile: THOMAS ZIERKE (Update: 01.04.2025)

Cumulated data

**Cumulated data**
Total of filed applications, of which for:	1
Patents	1
Short-term patents	0
Utility models	0
Titles of protection granted/issued, of which:
patents (BI)	1/1
short term patents (BISD)	0/0
utitity models (MU)	0/0

Total of valid titles of protection	0 (BI:0 BISD:0 MU:0)
Invalid patents with the right of revalidation	0
Total titles of protection being valid more than 5 years	0
Average life of patent (years)	16.0 BI: 16.0

Year	Patents	Total
1994	1	1

Year	Patents	Short-term patents	Utility models
1996	1	0	0

Top IPC subclasses

**Top IPC subclasses**
No.	Subclass	Total appl.	Description
1	C07C	2	Acyclic or carbocyclic compounds

Top IPC subgroups

**Top IPC subgroups**
No.	Subgroup	Total appl.
1	C07C 25/24	1
2	C07C 17/04	1

Cooperation

Top-10 Inventors/Co-inventors (in the case of inventor profile)

**Top-10 Inventors/Co-inventors (in the case of inventor profile)**
No.	Name	Total
1	HEINZ ISAK	1
2	NOBERT GOTZ	1
3	SEELE RAINER	1
4	REINER KOBER	1
5	ECKHARD HICKMANN	1

Top-10 Co-applicants/applicants (in the case of inventor profile)

**Top-10 Co-applicants/applicants (in the case of inventor profile)**
No.	Name	Total
1	BASF AG	1

Top-10 Co-owners/owners (in the case of inventor profile)

**Top-10 Co-owners/owners (in the case of inventor profile)**
No.	Name	Total
1	BASF AG	1

Top-10 foreign co-inventors

**Top-10 foreign co-inventors**
No.	Country	Name	Total
1	DE	ECKHARD HICKMANN	1
2	DE	HEINZ ISAK	1
3	DE	REINER KOBER	1
4	DE	SEELE RAINER	1
5	DE	NOBERT GOTZ	1

Top 10 foreign co-applicants

**Top 10 foreign co-applicants**
No.	Country	Name	Total
1	DE	BASF AG	1

Top-10 foreign co-owners

**Top-10 foreign co-owners**
No.	Country	Name	Total
1	DE	BASF AG	1

The most longeval person patents

**The most longeval person patents**
No.	Patent number	Applicant	Inventor	Patent owner	Title	Valid till	In force (years)
1	419	BASF AG, DE;	SEELE RAINER, DE; REINER KOBER, DE; HEINZ ISAK, DE; ECKHARD HICKMANN, DE; NOBERT GOTZ, DE; THOMAS ZIERKE, DE;	BASF AG, DE;	Process for stereoselective allyl chlorides Z-1,2-diaryl preparation	13.12.2010	16

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