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Inventor

Hanshelmut Kaeppel

Inventor
Weinheim, DE

Overview

4→
Patents
1979–1987
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 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 bonds33%
C08JWorking-up33%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients17%
Y02PClimate change mitigation technologies in the production or processing of goods17%
PatentTitleYear
4,666,948'Preparation of resilient melamine foams'19874,530,940'Stabilized melamine resin foams'19854,251,411'Process for the manufacture of organic polymer polyol'19814,180,635'Continuous manufacture of unsaturated polyesters'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1987Patents assigned to BASF AG (4)· patent assignee history
1979–1987Based in Weinheim, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BASF AG41979–1987
Locations
LocationPatentsSpan
Weinheim, DE41979–1987