Inventor

Wolf-Dieter Kermer

Inventor

Fussgoenheim, DE

Overview

14→

Patents

1977–1993

Patent span

Chemistry

Primary field (CPC C)

Patents· 14 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. pigments48%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests19%

D06PDyeing or printing textiles15%

C02FTreatment of water, waste water, sewage, or sludge4%

C07DHeterocyclic compounds4%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium4%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%

C09KMaterials for miscellaneous applications, not provided for elsewhere4%

PatentTitleYear

5,202,028'Removal of metal complex dyes from wastewaters'1993 5,186,846'Dye dispersants: aryl sulphonic acid-formaldehyde condensate or ligninsulfonate'1993 4,614,804'Anthraquinoid dyes'1986 4,465,628'Azo dyes comprising a heterocyclic diazo component'1984 4,405,330'Navy disperse dye mixtures'1983 4,389,216'Navy dye mixtures'1983 4,386,934'Navy dye mixtures'1983 4,373,102'Isoindoline dyes, their preparation and use'1983 4,329,148'Dye mixtures, and their use in dyeing polyesters'1982 4,321,055'Navy dye mixtures and their use in dyeing polyesters'1982 4,221,711'Brown to violet substituted phenyl-substituted anilino azo dyes'1980 4,167,394'Uniformly dyed water-swellable cellulosic fibers'1979 4,083,684'Uniformly dyed water-swellable cellulosic fibers'1978 4,041,025'P-Aminoazo disperse dyes'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1993Patents assigned to BASF AG (14)· patent assignee history

1977–1993Based in Fussgoenheim, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BASF AG	14	1977–1993

Locations

Location	Patents	Span
Fussgoenheim, DE	14	1977–1993