Concessão da patente
#16.1
04/26/1988
RPI 914
Application data
Number
PI8203774Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 04/26/1988. We update with every new RPI gazette, published weekly.
Applicants
Air Products and Chemicals, Inc.
US
Inventors
A. I. (pessoa física)
US
IPC Classification
Priority claims
US
278,814 · 06/29/1981
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