Inventor
Werner Balz
Inventor
Limburgerhof, DE
Overview
37→
Patents
1977–2002
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 37 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 transducer36%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests24%
Y10TTechnical subjects covered by former us classification20%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds7%
C08LCompositions of macromolecular compounds2%
H05FStatic electricity2%
B05CApparatus for applying fluent materials to surfaces, in general1%
B05DProcesses for applying fluent materials to surfaces, in general1%
B22FWorking metallic powder1%
C08JWorking-up1%
PatentTitleYear
6,451,963'Method of coagulating aqueous PUR dispersions containing dispersed therein reactive or secondary cross-linked polyurethane, the products obtained thereby and their use'20025,922,469'Materials suitable as crosslinkable binder components'19995,543,226'Magnetic recording media'19965,523,151'Magnetic recording media'19965,470,650'Magnetic recording media'19955,006,406'Magnetic recording media'19914,842,896'Production of magnetic recording media'19894,712,148'Magnetic tape cassette with equalization of electrostatic charges'19874,673,591'Production of layer-type magnetic recording media'19874,671,969'Production of layer-type magnetic recording media'19874,668,586'Magnetic recording media'19874,666,781'Magnetic recording media'19874,656,093'Magnetic recording media'19874,647,513'Magnetic recording media'19874,629,632'Production of magnetic recording media'19864,625,252'Guide system and magnetic tape cassette comprising such a system'19864,621,779'Video tape cassette'19864,581,246'Production of magnetic recording media'19864,581,296'Magnetic recording media'19864,568,612'Magnetic recording media'19864,568,610'Magnetic recording media'19864,567,108'Magnetic recording media'19864,567,109'Magnetic recording media'19864,560,456'Magnetic recording media'19854,559,118'Magnetic recording media'19854,557,433'Tape cassette and spring member therefor'19854,551,359'Production of magnetic recording media'19854,534,999'Production of magnetic recording media having a backing coating'19854,507,457'Production of magnetic recording media'19854,472,455'Production of magnetic recording media'19844,430,362'Production of magnetic recording media'19844,360,377'Ferromagnetic metal particles, consisting essentially of iron and carrying a surface coating, and their production'19824,328,282'Magnetic recording media'19824,310,565'Process of making a magnetic recording media'19824,046,932'Magnetic recording discs'19774,043,297'Device for the magnetic orientation of magnetic recording media'19774,033,288'Apparatus for coating magnetic disks'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1991Patents assigned to BASF AG (32)· patent assignee history
1977Based in Bedford, MA, US· patent location history
1977Based in Stoneham, MA, US· patent location history
1977Based in Willstaett, DE· patent location history
1982–1999Based in Limburgerhof, DE· patent location history
1995Patents assigned to BASI MAGNETICS GMBH (1)· patent assignee history
1996Patents assigned to BASF MAGNETICS GMBH (2)· patent assignee history
1999Patents assigned to EMTEC MAGNETICS GMBH (1)· patent assignee history
2002Patents assigned to BAYER AG (1)· patent assignee history
2002Based in Bergisch Gladbach, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF AG | 32 | 1977–1991 |
| BASF MAGNETICS GMBH | 2 | 1996 |
| BASI MAGNETICS GMBH | 1 | 1995 |
| BAYER AG | 1 | 2002 |
| EMTEC MAGNETICS GMBH | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Limburgerhof, DE | 33 | 1982–1999 |
| Bergisch Gladbach, DE | 1 | 2002 |
| Bedford, Massachusetts, US | 1 | 1977 |
| Stoneham, Massachusetts, US | 1 | 1977 |
| Willstaett, DE | 1 | 1977 |