Inventor

Ruediger Iden

Inventor

Speyer, DE

Overview

2→

Patents

1987–1990

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.

C09Bprimary

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments50%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients25%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation25%

PatentTitleYear

4,897,469'Aniline series azo reactive dyes ortho- or para-substituted by vinyl sulfonyl reactive groups'1990 4,667,036'Concentration of light over a particular area, and novel perylene-3,4,9,10-tetracarboxylic acid diimides'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1990Patents assigned to BASF AG (2)· patent assignee history

1987–1990Based in Speyer, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BASF AG	2	1987–1990

Locations

Location	Patents	Span
Speyer, DE	2	1987–1990