Inventor

Walter Kurtz

Inventor

Bad Durkheim, DE

Overview

18→

Patents

1977–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 18 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. pigments36%

C09DCoating compositions, e.g. paints, varnishes or lacquers11%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%

D06PDyeing or printing textiles8%

B29CShaping or joining of plastics6%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts6%

C07CAcyclic or carbocyclic compounds6%

C07DHeterocyclic compounds6%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients3%

C10LFuels not otherwise provided for3%

PatentTitleYear

11,014,276Method and device for producing a foam particle part2021 9,656,415'Device for producing molded parts from particulate plastic materials'2017 7,416,601'Black perylene pigments'2008 5,891,227'Aqueous dye preparations'1999 5,814,139'Ballpoint pen pastes with phthalocyanine pigments'1998 5,738,693'Detection of naphthylamines in mineral oils'1998 5,282,894'Use of a liquid containing IR dyes as printing ink'1994 5,082,498'Highly concentrated solid pigment formulations'1992 4,424,155'Aminoazo compounds'1984 4,229,343'Azo dyes from an oxadiazolyl-substituted aniline'1980 4,210,583'Azo dyes of the 2,6-di(substituted) amino pyridine series'1980 4,206,113'Azo dyes having an oxdiazolyl-1,2,4 group'1980 4,203,894'Azo dyes containing sulfonic acid groups and oxdiazolyl radicals'1980 4,201,710'Azo dyes of the pyridone series useful for flowable printing inks'1980 4,167,394'Uniformly dyed water-swellable cellulosic fibers'1979 4,083,686'Uniformly dyed water-swellable cellulosic fibers'1978 4,052,377'Monoazo dye having a .beta.-hydroxynaphthoic acid amide coupling component'1977 4,052,371'Azo pigment or dye having a naphthyl-quinazalone coupling component'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–2008Patents assigned to BASF AG (16)· patent assignee history

1977–1980Based in Ludwigshafen, DE· patent location history

1978–1999Based in Bad Durkheim, DE· patent location history

1980–2008Based in Bad Duerkheim, DE· patent location history

2017–2021Patents assigned to KURTZ GMBH (2)· patent assignee history

2017–2021Based in Hasloch, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BASF AG	16	1977–2008
KURTZ GMBH	2	2017–2021

Locations

Location	Patents	Span
Bad Durkheim, DE	9	1978–1999
Bad Duerkheim, DE	4	1980–2008
Ludwigshafen, DE	3	1977–1980
Hasloch, DE	2	2017–2021