Inventor

Hans-Walter Illger

Inventor
Roesrath, DE

Overview

19→
Patents
1980–2000
Patent span
Chemistry
Primary field (CPC C)

Patents· 19 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 bonds31%
C08JWorking-up29%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
C07CAcyclic or carbocyclic compounds7%
C07DHeterocyclic compounds7%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients7%
Y10TTechnical subjects covered by former us classification7%
C08LCompositions of macromolecular compounds2%
PatentTitleYear
6,100,309'Process for preparing elastic polyurethane slabstock foams'20005,373,029'Process for the production of low-fog flexible polyester polyurethane foams and their use in vehicles'19945,286,761'Process for the production of low-fog flexible polyester polyurethane foams and their use in vehicles'19944,970,243'Process for the production of flexible slabstock polyurethane foams'19904,782,099'Process for the production of elastic, open-celled flexible polyurethane foams having increased compression hardness'19884,644,017'Process for the production of polyisocyanate addition products and composite polyisocyanate addition products'19874,608,399'Stabilizer-containing reactive components for pu-foams, new stabilizers and a process for producing these stabilizers'19864,565,834'Stabilizer-containing reactive components for pu-foams, new stabilizers and a process for producing these stabilizers'19864,497,962'Preparation of polysiloxane/polyoxyalkylene copolymer useful as stabilizers in making polyurethane foams'19854,430,452'Stabilizer-containing reactive components for PU-foams, new stabilizers and a process for producing these stabilizers'19844,371,630'Solution of a polyurethane in a polyol and a process for using such a solution in the production of polyurethane plastics'19834,355,171'Preparation of polysiloxane/polyoxyalkylene copolymer useful as stabilizers in making polyurethane foams'19824,342,798'Process for production of flame resistant foam'19824,305,991'Integral-skin polyurethane foams and process therefor'19814,306,037'Process for the manufacture of elastic polyurethane foams capable of being flame laminated and high frequency welded'19814,288,559'Flame resistant foam'19814,282,329'Stabilized filler suspensions in polyols'19814,240,950'Stabilized filler suspensions in polyols'19804,223,095'Flame-resistant polyurethane foam and a process for its production'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–2000Patents assigned to BAYER AG (19)· patent assignee history
1980–1987Based in Roesrath, DE· patent location history
1983–2000Based in Rosrath, DE· patent location history
1988–1994Based in Roesrath-Forsbach, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAYER AG191980–2000
Locations
LocationPatentsSpan
Roesrath, DE131980–1987
Roesrath-Forsbach, DE41988–1994
Rosrath, DE21983–2000