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Inventor

Alfred Kaiser

Inventor
Kist, DE

Overview

2→
Patents
1984–1985
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.

A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations20%
B01DSeparation20%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds20%
C09KMaterials for miscellaneous applications, not provided for elsewhere20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
4,505,985'Membranes based on silicic acid heteropolycondensates and a process for their production'19854,440,745'Abrasive compositions'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1985Patents assigned to FRAUNHOFER GES FORSCHUNG (2)· patent assignee history
1984–1985Based in Kist, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FRAUNHOFER GES FORSCHUNG21984–1985
Locations
LocationPatentsSpan
Kist, DE21984–1985