Carta-patente expirada
#21.1
PATENTE EXTINTA EM 15.12.2019
02/27/2020
RPI 2564
Application data
Number
PI9906852Type
Filing
Publication
PCT
US1999023088 The letters patent expired on 02/27/2020: 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: 02/27/2020. We update with every new RPI gazette, published weekly.
Applicants
B. C. (pessoa física)
US
BP Corporation North America Inc.
US
Solvay Advanced Polymers, L.L.C.
US
Inventors
B. D. (pessoa física)
US
M. E. (pessoa física)
US
IPC Classification
Priority claims
US
09/411.921 · 10/04/1999
US
60/103.198 · 10/06/1998
Abstract
"ARTIGOS DE ENCANAMENTO DE POLI (ARIL ÉTER SULFONAS)". Artigos de encanamento feitos de uma resina termoplástica compreendendo um poli (bifenil éter sulfona) e um poli (aril éter sulfona) compreendendo resíduos bisfenol A.
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
PATENTE EXTINTA EM 15.12.2019
02/27/2020
RPI 2564
#16.1
12/15/2009
RPI 2032
#9.1
06/16/2009
RPI 2006
#6.1
10/14/2008
RPI 1971
#25.1
Transferido de: BP Corporation North America, Inc.
02/01/2005
RPI 1778
#25.4
Alterado de: BP Amaco Corporation
03/26/2002
RPI 1629
#1.3
10/30/2001
RPI 1608
From the same holder
Same category
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