VERSTÄRKTE FÄLLUNGSKIESELSÄURE
European patent · EP0534997 · Deleted
Register entry
- Publication number
- EP0534997
- Application number
- EP91909506
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- Deleted
- Specification
- Maintained in amended form
- Filed
- Apr 25, 1991
- Published
- Apr 7, 1993
- Granted
- Dec 27, 1995
- Deleted
- Dec 27, 1995
- Reason
- No effect for Switzerland and Liechtenstein
- IPC classes
- C01B 33/193 (2006.01)C09C 1/30 (2006.01)C08L 83/04 (2006.01)C08K 3/36 (2006.01)
- Priority
- US 541679 21.06.1990
- PCT application
- PCT/US1991/002862 25.04.1991
- PCT publication
- WO1991/019672 26.12.1991
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Dec 29, 1995
Granted
Published in PIDTJ No 24 in 1995
- Dec 29, 1995
Change
Published in PIDTJ No 24 in 1995
Parties
Inventor
KRIVAK, Thomas
Irwin, PA 15642, US
OKEL, Timothy, A.
Trafford, PA 15085, US
WAGNER, Melvin, P.
Wadsworth, OH 44281, US
The register names each party by name and address. A holder or agent is linked to an organization where exactly one entity of the commercial register bears its name; the street of a party not so recognised is not shown here.