10.1
04/02/1985
RPI 754
The applicant withdrew the application. The case ended without a patent.
Talk to a specialistLatest action published by the INPI: 04/02/1985. We update with every new RPI gazette, published weekly.
Applicants
DOW CHEMICAL CO [US]
Inventors
T. L. (pessoa física)
IPC Classification
No IPC classification.
Priority claims
US
442 944 · 11/19/1982
Abstract
Refere-se a emulsões de óleo e água que são rompidas pelo contato das emulsões com uma poliamina poliolefínica quaternizada, por exemplo, o aduto de cloreto de 3-cloro-2-hidroxipropiltrimetilamônio euma poliamina de polietileno.
Publications in the Brazilian Industrial Property Gazette (RPI).
04/02/1985
RPI 754
08/14/1984
RPI 721
#2.1
01/24/1984
RPI 692
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.