22.2
06/13/1989
RPI 973
Application data
Number
PI8201694Type
Filing
Publication
The patent was granted on 06/02/1987 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: 06/13/1989. We update with every new RPI gazette, published weekly.
Applicants
THE DOW CHEMICAL COMPANY
US
Inventors
R. S. (pessoa física)
US
IPC Classification
Priority claims
US
248,599 · 03/27/1981
Publications in the Brazilian Industrial Property Gazette (RPI).
06/13/1989
RPI 973
#16.1
06/02/1987
RPI 867
#13.1
12/23/1986
RPI 844
#9.1
09/02/1986
RPI 828
#6.1
12/31/1985
RPI 793
#4.1
04/23/1985
RPI 757
#3.1
02/16/1983
RPI 643
#2.1
05/11/1982
RPI 603
#18.2
10/16/1990
RPI 1037
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.