Inventor

Wolf-Dietrich Weber

Inventor

Reinheim, DE

Overview

5→

Patents

1982–2010

Patent span

Chemistry

Primary field (CPC C)

Patents· 5 as inventor

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

A61Kprimary

A61KPreparations for medical, dental or toiletry purposes12%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations12%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds12%

C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties12%

C09DCoating compositions, e.g. paints, varnishes or lacquers12%

A61QSpecific use of cosmetics or similar toiletry preparations6%

C07CAcyclic or carbocyclic compounds6%

C07DHeterocyclic compounds6%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%

C07JSteroids6%

PatentTitleYear

7,708,823'Semi-transparent interference pigments containing tin'2010 6,419,736'Sulfide and oxysulphide pigments'2002 4,987,133'Salicylic acid derivatives'1991 4,950,648'Analgesic'1990 4,357,278'Process for synthesizing estrone or estrone derivatives'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982Patents assigned to HOECHST AG (1)· patent assignee history

1982Based in Frankfurt am Main, DE· patent location history

1990–2010Patents assigned to MERCK PATENT GMBH (4)· patent assignee history

1990–2002Based in Reinheim, DE· patent location history

2010Based in Pfungstadt, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MERCK PATENT GMBH	4	1990–2010
HOECHST AG	1	1982

Locations

Location	Patents	Span
Reinheim, DE	3	1990–2002
Pfungstadt, DE	1	2010
Frankfurt am Main, DE	1	1982