LexDanaLexDanabeta
Inventor

Werner Hubner

Inventor
Frankenthal, DE

Overview

2→
Patents
1992–2001
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.

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer33%
C01GCompounds containing metals not covered by subclasses c01d or c01f17%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
6,231,963'Magnetic recording media'20015,164,173'Preparation of stabilized acicular ferromagnetic chromium dioxide'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to BASF AG (1)· patent assignee history
1992–2001Based in Frankenthal, DE· patent location history
2001Patents assigned to EMTEC MAGNETICS GMBH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BASF AG11992
EMTEC MAGNETICS GMBH12001
Locations
LocationPatentsSpan
Frankenthal, DE21992–2001