Inventor
Michael Bobrich
Inventor
Boehl-Iggelheim, DE
Overview
Patents· 17 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 transducer24%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds19%
Y10TTechnical subjects covered by former us classification19%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
C08LCompositions of macromolecular compounds6%
C07CAcyclic or carbocyclic compounds3%
C07DHeterocyclic compounds3%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium3%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds2%
C09DCoating compositions, e.g. paints, varnishes or lacquers2%
PatentTitleYear
5,556,918'Polymeric materials suitable as dispersing resins'19965,543,226'Magnetic recording media'19965,424,132'Magnetic recording media'19955,378,383'Process for preparing modified chromium dioxide'19955,346,761'Flexible magnetic recording media having a backing coating containing a polyurethane resin having a phosphate group and precipated silica'19945,330,784'Process of producing a flexible magnetic recording media having a backing coating'19945,266,408'Magnetic recording media'19935,266,407'Magnetic recording media'19935,223,600'Heterofunctional diols and polyurethane elastomers manufactured therefrom'19935,217,810'Magnetic recording medium having a magnetic layer containing chromium dioxide particles and linolenic acid'19935,169,721'Magnetic recording media comprising a polyurethane binder resin containing perfluoro groups'19925,147,960'Heterofunctional diols and polyurethane elastomers manufactured therefrom'19925,130,202'Magnetic recording medium containing an isocyanate-free branched thermoplastic polyurethane binder resin with urea groups at the chain ends'19925,120,608'Magnetic recording media comprising a polyurethane binder resin containing perfluoro groups'19925,082,737'Magnetic recording media having a branched thermoplastic polyurethane binder containing a polysiloxane component in the main chain'19925,075,179'Magnetic recording media'19914,895,764'Magnetic recording media'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1993Patents assigned to BASF AG (7)· patent assignee history
1990–1996Based in Boehl-Iggelheim, DE· patent location history
1992–1993Patents assigned to BOBRICH MICHAEL (2)· patent assignee history
1992–1993Patents assigned to KEPPELER UWE (2)· patent assignee history
1993–1996Patents assigned to BASF MAGNETICS GMBH (8)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF MAGNETICS GMBH | 8 | 1993–1996 |
| BASF AG | 7 | 1990–1993 |
| BOBRICH MICHAELself | 2 | 1992–1993 |
| KEPPELER UWE | 2 | 1992–1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Boehl-Iggelheim, DE | 17 | 1990–1996 |