Carta-patente expirada
#21.1
Patente extinta em 30/05/2010
01/15/2013
RPI 2193
Application data
Number
PI9002566Type
Filing
Publication
The letters patent expired on 01/15/2013: 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: 01/15/2013. We update with every new RPI gazette, published weekly.
Applicants
Exxon Chemical Patents, Inc
US
Inventors
D. C. (pessoa física)
US
J. J. (pessoa física)
US
M. S. (pessoa física)
US
IPC Classification
Priority claims
US
358,777 · 05/30/1989
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 30/05/2010
01/15/2013
RPI 2193
#15.11
Alterado da Int Cl5 C08F 255/02.
11/21/2000
RPI 1559
#16.1
07/27/1999
RPI 1490
#9.1
03/09/1999
RPI 1470
#6.1
08/18/1998
RPI 1443
#4.1
10/05/1993
RPI 1192
#3.1
08/20/1991
RPI 1081
#2.1
10/09/1990
RPI 1036
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.