Solicitação de exame técnico
#4.1
03/04/1986
RPI 802
Application data
Number
PI8407156Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 03/04/1986. We update with every new RPI gazette, published weekly.
Applicants
Intevep S.A
VE
Petroleum Fermentations N.V.
NL
Inventors
J. I. (pessoa física)
US
K. H. (pessoa física)
US
L. J. (pessoa física)
US
M. H. (pessoa física)
US
P. M. (pessoa física)
US
P. J. (pessoa física)
US
IPC Classification
Priority claims
US
547.892 · 11/02/1983
US
653.808 · 09/24/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
03/04/1986
RPI 802
#1.3.1
11/19/1985
RPI 787
#1.3
10/08/1985
RPI 781
#21.1
Patente extinta em 15/10/99
07/08/2008
RPI 1957
#16.1
12/31/1996
RPI 1361
#13.1
09/17/1996
RPI 1346
07/16/1996
RPI 1337
05/10/1994
RPI 1223
05/10/1994
RPI 1223
05/03/1994
RPI 1222
#12.1
08/03/1993
RPI 1183
#9.1
04/27/1993
RPI 1169
#6.1
09/29/1992
RPI 1139
#7.1
01/22/1991
RPI 1051
#7.1
03/13/1990
RPI 1009
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.