Concessão da patente
#16.1
06/27/1989
RPI 975
Application data
Number
PI8301270Type
Filing
Publication
The patent was granted on 06/27/1989 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: 06/27/1989. We update with every new RPI gazette, published weekly.
Applicants
W.R. Grace & Co.
US
Inventors
T. B. (pessoa física)
IPC Classification
Priority claims
US
408.550 · 08/16/1982
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