Carta-patente expirada
#21.1
PATENTE EXTINTA EM 31.05.2022
06/28/2022
RPI 2686
Application data
Number
PI0202016Type
Filing
Publication
The letters patent expired on 06/28/2022: 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: 06/28/2022. We update with every new RPI gazette, published weekly.
Applicants
Saint-Gobain Ceramics e Plastics, Inc.
US
Inventors
S. S. (pessoa física)
US
IPC Classification
Priority claims
US
09/873,171 · 06/01/2001
Abstract
"MEIO DE MOER APERFEIÇOADO". Um meio de moer de alfa alumina feito por um processo de sol-gel tem uma utilidade melhorada para moer materiais de alumina em um moinho de esferas.
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