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Inventor

Karl-Heinz Steinchen

Inventor
Schwarzheide, DE

Overview

2→
Patents
1999
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 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 bonds67%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
PatentTitleYear
5,925,687'Production of flexible polyurethane foams'19995,895,824'Preparation of polyether polyols containing aromatics'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999Patents assigned to BASF AG (2)· patent assignee history
1999Based in Schwarzheide, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BASF AG21999
Locations
LocationPatentsSpan
Schwarzheide, DE21999