Solicitação de exame técnico
#4.1
05/31/1988
RPI 919
Application data
Number
PI8506403Type
Filing
Publication
The patent was granted on 05/28/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 05/31/1988. We update with every new RPI gazette, published weekly.
Applicants
Pulp and Paper Research Institute of Canada
CA
Inventors
C. H. (pessoa física)
CA
N. L. (pessoa física)
CA
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