Solicitação de exame técnico
#4.1
04/12/1988
RPI 912
Application data
Number
PI8606811Type
Filing
Publication
The letters patent expired on 12/05/2012: 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: 04/12/1988. We update with every new RPI gazette, published weekly.
Applicants
C. I. (pessoa física)
US
The Dow Chemcial Company
US
Toyobo Co., Ltd
JP
Inventors
B. W. (pessoa física)
US
J. W. (pessoa física)
US
J. S. (pessoa física)
US
P. S. (pessoa física)
US
IPC Classification
Priority claims
US
762.750 · 08/05/1985
US
PCT/86/01602 · 08/05/1986
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