Carta-patente expirada
#21.1
Patente extinta em 17/07/2015
11/24/2015
RPI 2342
Application data
Number
PI9508465Type
Filing
Publication
PCT
EP1995002836 The letters patent expired on 11/24/2015: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 11/24/2015. We update with every new RPI gazette, published weekly.
Applicants
Crosfield Limited
GB
Imperial Chemical Industries PLC
GB
Johnson Matthey PLC
GB
Inventors
C. L. (pessoa física)
GB
R. B. (pessoa física)
GB
IPC Classification
Priority claims
GB
9415554.6 · 08/02/1994
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 17/07/2015
11/24/2015
RPI 2342
#25.1
Transferido de: Imperial Chemical Industries PLC
06/07/2005
RPI 1796
#16.1
07/10/2001
RPI 1592
#15.11
Alterada a classificação para Int. Cl. 6 B01J 23/75; B01J 35/10; B01J 37/03.
05/02/2001
RPI 1582
#9.1
04/17/2001
RPI 1580
#6.1
09/05/2000
RPI 1548
#25.1
Transferido de: Crosfield Limited.
10/19/1999
RPI 1502
#1.3
12/30/1997
RPI 1410
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.