Arquivamento - Art. 36 §1° da LPI
#11.2
07/23/2002
RPI 1646
Application data
Number
PI9402964Type
Filing
Publication
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: 07/23/2002. We update with every new RPI gazette, published weekly.
Applicants
H. C. (pessoa física)
US
Inventors
G. H. (pessoa física)
US
P. I. (pessoa física)
US
IPC Classification
Priority claims
US
08/097.695 · 07/27/1993
Abstract
Processo para branquear fibra a partir de papel usado colorido compreendendo branquear a polpa a partir do papel usado colorido com hidrossulfito de sódio, ácido sulfínico de formamidina, ou peróxido de hidrogênio na presença de um composto quaternário selecionado.
Publications in the Brazilian Industrial Property Gazette (RPI).
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RPI 1646
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