Carta-patente expirada
#21.1
Patente extinta em 11/12/2011
06/11/2013
RPI 2214
Application data
Number
PI9105470Type
Filing
Publication
The letters patent expired on 06/11/2013: 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: 06/11/2013. We update with every new RPI gazette, published weekly.
Applicants
E.I Du Pont de Nemours and Company
US
Inventors
A. F. (pessoa física)
US
D. A. (pessoa física)
US
L. H. (pessoa física)
US
IPC Classification
Priority claims
US
629.657 · 12/14/1990
Abstract
Fibrídios poliméricos reforçam elastômeros para fornecer produtos bem misturados de alto módulo e alongamento.
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 11/12/2011
06/11/2013
RPI 2214
#16.1
05/30/2000
RPI 1534
#9.1
09/28/1999
RPI 1499
#6.1
12/01/1998
RPI 1456
#4.1
10/18/1994
RPI 1246
#3.1
09/01/1992
RPI 1135
#2.1
02/04/1992
RPI 1105
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.