Inventor

Michael Brockelt

Inventor

Leverkusen, DE

Overview

1986–2010

Patent span

Chemistry

Primary field (CPC C)

Patents· 24 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds53%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds37%

Y02PClimate change mitigation technologies in the production or processing of goods5%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%

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

PatentTitleYear

7,790,804'Process for stripping polymer polyols'2010 7,141,613'Flame resistant rigid foams and formulations for the production thereof'2006 6,472,447'Stabilized, finely disperse low-viscosity polymer polyols with a high content of polystyrene or polystyrene copolymers'2002 5,684,180'Fractionation and purification of aromatic polyamine mixtures and the use thereof'1997 5,679,840'Fractionation and purification of aromatic polyamine mixtures and the use thereof'1997 5,679,841'Fractionation and purification of aromatic polyamine mixtures and the use thereof'1997 5,675,035'Fractionation and purification of aromatic polyamine mixtures and the use thereof'1997 5,672,737'Fractionation and purification of mixtures of aromatic polyamines and use thereof'1997 5,663,424'Fractionation and purification of aromatic polyamine mixtures and the use thereof'1997 5,648,520'Fractionation and purification of aromatic polyamine and the use thereof'1997 5,648,519'Fractionation and purification of aromatic polyamine mixtures and the use thereof'1997 5,359,141'Process for the production of polynuclear aromatic polyamines'1994 5,196,591'Process for the production of polynuclear aromatic polyamines'1993 4,924,028'Process for the production of polynuclear aromatic polyamines'1990 4,914,236'Process for the preparation of multinuclear aromatic polyamines'1990 4,879,409'Cycloaliphatic diisocyanates, optionally in the form of isomeric mixtures and a process for their preparation'1989 4,879,408'Cycloaliphatic diisocyanates optionally in the form of isomer mixtures and a process for their production'1989 4,786,751'Dissocyanates, diisocyanate mixtures and a process for their production'1988 4,761,498'Diisocyanates and diisocyanate mixtures based on diphenylmethane, processes for their production and their use as isocyanate component in the production of polyurethane plastics by the isocyanate polyaddition process'1988 4,720,582'Diamines and a process for their production'1988 4,675,437'Cycloaliphatic triisocyanates'1987 4,613,687'Polyisocyanates of the diphenyl methane series'1986 4,603,189'Triisocyanates and a process for their preparation'1986 4,587,058'Diisocyanates of the diphenyl methane series and processes for the production thereof'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2006Patents assigned to BAYER AG (22)· patent assignee history

1986–1990Based in Bergisch Gladbach, DE· patent location history

1990–2010Based in Leverkusen, DE· patent location history

1997Patents assigned to BAYER AKTIENGESESELLSCHAFT (1)· patent assignee history

2010Patents assigned to BAYER MATERIALSCIENCE AG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BAYER AG	22	1986–2006
BAYER AKTIENGESESELLSCHAFT	1	1997
BAYER MATERIALSCIENCE AG	1	2010

Locations

Location	Patents	Span
Leverkusen, DE	14	1990–2010
Bergisch Gladbach, DE	10	1986–1990