Deferimento
#9.1
12/05/1989
RPI 998
Application data
Number
PI8502721Type
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: 12/05/1989. We update with every new RPI gazette, published weekly.
Applicants
Daicel Chemical Industries, Ltd.
JP
Inventors
K. T. (pessoa física)
JP
M. T. (pessoa física)
JP
N. M. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.1
12/05/1989
RPI 998
#6.1
07/18/1989
RPI 978
#4.1
03/08/1988
RPI 907
#3.1
02/12/1986
RPI 799
#2.1
08/13/1985
RPI 773
#21.1
Patente extinta em 05/06/2000
07/15/2008
RPI 1958
#16.1
06/26/1990
RPI 1024
#13.1
04/10/1990
RPI 1013
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.