Concessão da patente
#16.1
09/29/1987
RPI 884
Application data
Number
PI8205987Type
Filing
Publication
The patent was granted on 09/29/1987 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: 09/29/1987. We update with every new RPI gazette, published weekly.
Applicants
W.R. Grace & Co.
US
Inventors
N. B. (pessoa física)
S. P. (pessoa física)
IPC Classification
Priority claims
EP
82108140.3 · 09/03/1982
IT
24538 A/81 · 10/16/1981
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