Arquivamento - Art. 36 §1° da LPI
#11.2
08/17/1999
RPI 1493
Application data
Number
PI9106645Type
Filing
Publication
PCT
US1991003878 The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 08/17/1999. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
T. W. (pessoa física)
US
IPC Classification
Priority claims
US
07/552,489 · 07/16/1990
US
07/552,891 · 07/16/1990
Abstract
Esta invenção estabelece uma cerâmica à base de alumina alfa aperfeiçoada e processos para a produção da mesma. O aperfeiçoamento consiste da adição de um agente de nucleação a base de cromo. As versões particularmente eficazes da cerâmica à base de alumina alfa aperfeiçoada incluem partículas e fibras abrasivas.
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