Concessão da patente
#16.1
08/29/1989
RPI 984
Application data
Number
PI8202547Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
The Dow Chemical Company
US
Inventors
J. D. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/29/1989
RPI 984
#13.1
05/30/1989
RPI 971
#9.1
01/24/1989
RPI 953
#6.1
05/24/1988
RPI 918
#7.1
12/02/1986
RPI 841
#4.1
04/15/1986
RPI 808
#3.1
12/06/1983
RPI 685
#2.1
06/22/1982
RPI 609
#21.1
Patente extinta em 30/04/97
07/01/2008
RPI 1956
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.