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Official data from INPI

MEMBRANAS DE OSMOSE REVERSA

PublicadaInvention Patent

Application data

Number

PI8800185

Type

Invention Patent

Filing

01/14/1988

Publication

08/30/1988

Progress at the INPI

  1. Filing01/14/88
  2. Publication08/30/88
  3. Abandoned11/27/90
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. C. (pessoa física)

US

Filmtec Corporation e The Dow Chemical Company

Inventors

D. S. (pessoa física)

US

J. C. (pessoa física)

US

Technical data

Priority claims

US

003.996 · 01/15/1987

US

083.134 · 08/10/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/30/1988

RPI 932

Pedido de patente depositado

#2.1

05/03/1988

RPI 915

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era B01D 13/04.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

09/19/1995

RPI 1294

Exigência - art. 36 da LPI

#6.1

12/13/1994

RPI 1254

Solicitação de exame técnico

#4.1

11/27/1990

RPI 1043

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