Concessão da patente
#16.1
07/25/1989
RPI 979
Application data
Number
PI8301299Type
Filing
Publication
The patent was granted on 07/25/1989 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: 07/25/1989. We update with every new RPI gazette, published weekly.
Applicants
The Dow Chemcial Company
US
Inventors
D. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/25/1989
RPI 979
#13.1
01/03/1989
RPI 950
#9.1
09/13/1988
RPI 934
#6.1
04/05/1988
RPI 911
#4.1
04/08/1986
RPI 807
#3.1
11/22/1983
RPI 683
#2.1
05/03/1983
RPI 654
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 17/34; C07C 1/30; C07C 11/02; C07C 17/00; C07C 17/25; C07C 21/04; C07C 67/00.
03/27/2018
RPI 2464
#18.2
04/02/1996
RPI 1322
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.