Deferimento
#9.1
10/31/1989
RPI 993
Application data
Number
PI8500146Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants
Rohm And Haas Company
US
Inventors
P. K. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.1
10/31/1989
RPI 993
#6.1
05/16/1989
RPI 969
#4.1
08/04/1987
RPI 876
#3.1
08/20/1985
RPI 774
#2.1
04/16/1985
RPI 756
#21.1
Patente extinta em 14/01/2000
07/15/2008
RPI 1958
#15.11
05/14/1991
RPI 1067
#16.1
05/29/1990
RPI 1020
#13.1
03/06/1990
RPI 1008
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.