Publicação do pedido de patente
#3.1
08/08/1989
RPI 981
Application data
Number
PI8806068Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 08/08/1989. We update with every new RPI gazette, published weekly.
Applicants
Exxon Chemical Patents, Inc
US
Inventors
C. G. (pessoa física)
US
E. M. (pessoa física)
US
IPC Classification
Priority claims
US
123,531 · 11/20/1987
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
08/08/1989
RPI 981
#2.1
04/04/1989
RPI 963
#21.1
Patente extinta em 18/11/2003
09/02/2008
RPI 1965
#16.1
04/29/1997
RPI 1378
#13.1
03/11/1997
RPI 1371
#15.11
02/25/1997
RPI 1369
#9.1
07/16/1996
RPI 1337
#6.1
07/18/1995
RPI 1285
#4.1
08/27/1991
RPI 1082
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.