Concessão da patente
#16.1
03/28/1989
RPI 962
Application data
Number
PI8204510Type
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: 03/28/1989. We update with every new RPI gazette, published weekly.
Applicants
THE DOW CHEMICAL COMPANY
US
Inventors
R. R. (pessoa física)
US
R. S. (pessoa física)
US
IPC Classification
Priority claims
US
288.620 · 07/30/1981
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/28/1989
RPI 962
#13.1
10/04/1988
RPI 937
#9.1
06/14/1988
RPI 921
#6.1
11/24/1987
RPI 892
#4.1
10/15/1985
RPI 782
#3.1
07/26/1983
RPI 666
#2.1
09/14/1982
RPI 621
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 127/22; A01N 47/34; A01N 47/40; C07C 119/048; C07C 149/34; C07C 157/12; C07D 213/56; C07D 233/96; A01N 47/36; A01N 47/38; C07C 67/00; C07C 205/22; C07C 209/00; C07C 211/52; C07C 217/84; C07C 225/22; C07C 229/54; C07C 229/64; C07C 241/00; C07C 253/00; C07C 255/58; C07C 255/60; C07C 265/12; C07C 275/28; C07C 275/54; C07C 313/00; C07C 323/36; C07C 323/44; C07C 325/00; C07C 335/16; C07C 335/26; C07D 213/81; C07D 213/82; C07C 211/00; C07C 217/00; C07C 225/00; C07C 229/00; C07C 255/00; C07C 265/00; C07C 275/00; C07C 323/00; C07C 335/00; C07D 213/00; C07D 233/00.
03/27/2018
RPI 2464
#21.1
Patente extinta em 30/07/97
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.