Concessão da patente
#16.1
10/24/1989
RPI 992
Application data
Number
PI8303004Type
Filing
Publication
The patent was granted on 10/24/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
The Dow Chemical Company
US
Inventors
E. K. (pessoa física)
CH
J. B. (pessoa física)
CH
J. T. (pessoa física)
CH
IPC Classification
Priority claims
EP
82200676.3 · 06/01/1982
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/24/1989
RPI 992
#13.1
07/11/1989
RPI 977
#9.1
03/07/1989
RPI 959
#6.1
08/16/1988
RPI 930
08/18/1987
RPI 878
#4.1
06/03/1986
RPI 815
#3.1
01/31/1984
RPI 693
#2.1
07/19/1983
RPI 665
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era C08G 8/48.
03/27/2018
RPI 2464
#18.2
04/25/1995
RPI 1273
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.