Concessão da patente
#16.1
12/30/1986
RPI 845
The letters patent expired on 11/14/1995: 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: 12/30/1986. We update with every new RPI gazette, published weekly.
Applicants
Sumitomo Chemical Company, Limited.
JP
Inventors
A. S. (pessoa física)
H. S. (pessoa física)
H. Y. (pessoa física)
K. W. (pessoa física)
M. K. (pessoa física)
Pessoa física
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/30/1986
RPI 845
#13.1
10/14/1986
RPI 834
07/01/1986
RPI 819
#12.2
07/16/1985
RPI 769
#9.2.3
02/26/1985
RPI 749
#9.2
01/08/1985
RPI 742
#5.1
11/08/1983
RPI 681
#4.1
06/28/1983
RPI 662
#21.1
11/14/1995
RPI 1302
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.