Carta-patente expirada
#21.1
Patente extinta em 31/08/2010
01/29/2013
RPI 2195
Application data
Number
PI9004460Type
Filing
Publication
The letters patent expired on 01/29/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 01/29/2013. We update with every new RPI gazette, published weekly.
Applicants
The Dow Chemical Company
US
Inventors
D. W. (pessoa física)
US
F. T. (pessoa física)
US
G. K. (pessoa física)
US
G. S. (pessoa física)
US
J. S. (pessoa física)
US
P. N. (pessoa física)
US
R. R. (pessoa física)
US
S. L. (pessoa física)
US
IPC Classification
Priority claims
US
401,344 · 08/31/1989
US
401,345 · 08/31/1989
US
428,082 · 10/27/1989
US
428,083 · 10/27/1989
US
428,276 · 10/27/1989
US
436,524 · 11/14/1989
US
545,403 · 07/03/1990
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