Inventor

Theodor Engbert

Inventor

Koln, DE

Overview

21→

Patents

1983–2003

Patent span

Chemistry

Primary field (CPC C)

Patents· 21 as inventor

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

C08Gprimary

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds41%

C09DCoating compositions, e.g. paints, varnishes or lacquers20%

C07CAcyclic or carbocyclic compounds9%

C07DHeterocyclic compounds9%

C08LCompositions of macromolecular compounds7%

Y10TTechnical subjects covered by former us classification5%

B01FMixing, e.g. dissolving, emulsifying or dispersing2%

B05DProcesses for applying fluent materials to surfaces, in general2%

B82YSpecific uses or applications of nanostructures2%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients2%

PatentTitleYear

6,562,463'One-component stoving composition and use thereof'2003 6,428,854'One-component stoving composition and use thereof'2002 6,335,381'Aqueous coating compositions containing urethane (meth)acylates having UV-hardening isocyanate groups'2002 6,242,530'Stabilized blocked isocyanates and their use in polyurethane stoving lacquers'2001 6,020,419'Transparent coating compositions containing nanoscale particles and having improved scratch resistance'2000 6,005,046'Polyisocyanates blocked with 3,5-dimethyl-1,2,4-triazole'1999 5,998,504'Colloidal metal oxides having blocked isocyanate groups'1999 5,902,897'Polyamines and their use in coating compositions'1999 5,889,106'Polyisocyanates blocked with 3,5-dimethyl-1,2,4-triazole'1999 5,717,091'Polycyclic iminooxadiazinediones, their preparation and use'1998 5,705,593'Diphenylmethane diisocyanate based polyisocyanates containing allophanate groups and having blocked isocyanate groups'1998 5,691,438'Blocked polyisocyanates and their use in stoving lacquers'1997 5,596,064'Polyisocyanates blocked with a mixture of blocking agents'1997 5,532,313'Heat curable coating compositions and their use as top coats'1996 5,523,377'Blocked polyisocyanates'1996 5,081,203'Moisture-hardening coating composition and method for its production'1992 4,929,724'Process for the production of uretdione group-containing compounds, the compounds obtained according to this process and the use thereof in the production of polyurethane plastics material'1990 4,698,424'Isocyanato-isocyanurate derivatives'1987 4,692,550'Continuous process for thermal splitting of carbamic acid esters'1987 4,614,785'Process for the production of oligomeric polyisocyanates and their use in the production of polyurethane plastics'1986 4,388,246'Process for the preparation of polyisocyanates'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–2003Patents assigned to BAYER AG (21)· patent assignee history

1983–1990Based in Dormagen, DE· patent location history

1992Based in Sao Paulo, BR· patent location history

1996–2001Based in Koln, DE· patent location history

1997Based in K oln, DE· patent location history

2002–2003Based in Kln, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BAYER AG	21	1983–2003

Locations

Location	Patents	Span
Koln, DE	11	1996–2001
Dormagen, DE	5	1983–1990
Kln, DE	3	2002–2003
K oln, DE	1	1997
Sao Paulo, BR	1	1992