Concessão da patente
#16.1
04/25/1989
RPI 966
Application data
Number
PI8100937Type
Filing
Publication
The patent was granted on 04/25/1989 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: 04/25/1989. We update with every new RPI gazette, published weekly.
Applicants
W.R. Grace & Co.
US
Inventors
S. D. (pessoa física)
S. K. (pessoa física)
IPC Classification
Priority claims
US
8030987 · 09/25/1980
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