Inventor

Gunter Lailach

Inventor

Krefeld, DE

Overview

27→

Patents

1977–2003

Patent span

Chemistry

Primary field (CPC C)

Patents· 27 as inventor

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

C01Bprimary

C01BNon-metallic elements15%

C01GCompounds containing metals not covered by subclasses c01d or c01f15%

Y02PClimate change mitigation technologies in the production or processing of goods13%

C22BProduction and refining of metals12%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds9%

B01DSeparation7%

C07CAcyclic or carbocyclic compounds4%

C01DCompounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium3%

C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals3%

C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties3%

PatentTitleYear

6,530,987'Method for producing iron oxide pigments from waste acid resulting from TiO2 production'2003 6,440,377'Method for reprocessing waste acid resulting from TiO2 production'2002 6,416,723'Method for reprocessing waste acid to form gypsum and iron oxide'2002 6,395,165'Process for preparing perfluorinated organic compounds by electrochemical fluorination'2002 6,251,358'Process for the preparation of sodium fluoride'2001 6,106,794'Process for the preparation of sodium fluoride'2000 5,837,635'Process for producing mixed oxide powders from deactivated denox catalysts'1998 5,271,919'Process for the thermal decomposition of metal sulphates'1993 5,229,087'Process for the preparation of titanium dioxide'1993 5,122,358'Process for the purification of exhaust gases'1992 5,094,834'Process for the production of TiO.sub.2 pigments'1992 5,061,472'Process for the concentration of sulphuric acid containing metal sulphates'1991 4,988,495'Process for the recorvery of sulphuric acid in the production of titanium dioxide'1991 4,952,387'Process for separating metal sulphates from sulphuric acid'1990 4,931,269'Process for the purification and reheating of exhaust gases'1990 4,902,485'Process for the production of titanium dioxide pigments'1990 4,880,446'Process for heating up moist gases containing hydrogen halides'1989 4,834,954'Process for cleaning flue gases'1989 4,824,655'Process for the preparation of sulphur dioxide'1989 4,797,163'Process for the production of titanium dioxide pigments'1989 4,772,757'Process for the production of nitrobenzene'1988 4,731,230'Process for the preparation of TiCl.sub.4'1988 4,670,235'Process for desulphurizing flue gases'1987 4,663,131'Process for the preparation of titanium dioxide'1987 4,663,490'Process for the production of dinitrotoluene'1987 4,186,028'Fluid pigment suspensions with phosphonocarboxylic acids'1980 4,038,364'Reduction of iron in titanium ore'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–2003Patents assigned to BAYER AG (27)· patent assignee history

1977–2003Based in Krefeld, DE· patent location history

1989Patents assigned to METALLGESELLSCHAFT AG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BAYER AG	27	1977–2003
METALLGESELLSCHAFT AG	1	1989

Locations

Location	Patents	Span
Krefeld, DE	27	1977–2003