Carta-patente expirada
#21.1
Patente extinta em 22/02/2011
05/28/2013
RPI 2212
Application data
Number
PI9100723Type
Filing
Publication
The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.
Applicants
Copolymer Rubber & Chemical Corporation
US
DSM Copolymer, Inc.
US
E. C. (pessoa física)
US
T. C. (pessoa física)
US
Inventors
M. J. (pessoa física)
US
T. C. (pessoa física)
US
IPC Classification
Priority claims
US
07/484,378 · 02/23/1990
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 22/02/2011
05/28/2013
RPI 2212
#16.1
01/25/2000
RPI 1516
#25.11
Transferido de: Texaco Development Corporation. @ Referência RPI 1479 de 11/05/1999 - Código 25.1- Item (71).
06/29/1999
RPI 1486
#25.1
Transferido de: Texaco Development Corporation
05/11/1999
RPI 1479
#25.1
Transferido de: Texaco Development Corporation
05/04/1999
RPI 1478
#15.11
ALTERAR DE : C08F 255/06
11/17/1998
RPI 1454
#9.1
11/03/1998
RPI 1452
#6.1
03/03/1998
RPI 1419
#25.1
08/05/1997
RPI 1392
#25.4
05/20/1997
RPI 1381
#4.1
02/22/1994
RPI 1212
#3.1
10/29/1991
RPI 1091
#2.1
08/27/1991
RPI 1082
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.