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Official data from INPI

Processo de produção de grândulos de saran, e grândulos de saran úteis em aplicação de extrusão.993

PublicadaInvention Patent

Application data

Number

PI8702586

Type

Invention Patent

Filing

05/20/1987

Publication

02/23/1988

Progress at the INPI

  1. Filing05/20/87
  2. Publication02/23/88
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 05/20/1987 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W.R. Grace & Co.

US

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Inventors

H. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

866.637 · 05/22/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/23/1988

RPI 905

Pedido de patente depositado

#2.1

08/18/1987

RPI 878

Arquivamento - Art. 33 da LPI

#11.1

12/04/1990

RPI 1044

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