Carta-patente expirada
#21.1
PATENTE EXTINTA EM 03/09/2023
09/24/2024
RPI 2803
Application data
Number
PI0300552Type
Filing
Publication
The letters patent expired on 09/24/2024: 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: 09/24/2024. We update with every new RPI gazette, published weekly.
Applicants
B. A. (pessoa física)
DE
Lanxess Deutschland GmbH
DE
Inventors
A. S. (pessoa física)
DE
IPC Classification
Priority claims
DE
102 10 786.6 · 03/12/2002
Abstract
"MISTURAS DE MATERAIS DE ADSORÇÃO". A presente invenção refere-se a misturas de diversos materiais de adsorção, cujas propriedades de adsorção se complementam na mistura.
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