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Official data from INPI

''PROCESSO EM BATELADA E PROCESSO CONTÍNUO PARA FORMAÇÃO DE IMINODIACETONITRILA''.

ArquivadaInvention Patent

Application data

Number

PI9005401

Type

Invention Patent

Filing

10/25/1990

Publication

09/17/1991

Progress at the INPI

  1. Filing10/25/90
  2. Publication09/17/91
  3. Examination12/14/93
  4. Allowance08/17/99
  5. Abandoned
  6. In force

The application was allowed on 08/17/1999 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 11/14/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Hampshire Chemical Corp.

US

W.R. Grace & Co.- Conn

US

See this company's full portfolio

Inventors

B. C. (pessoa física)

US

B. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

427.414 · 10/26/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

Arquivamento - Art. 38 § 2º da LPI

11/14/2000

RPI 1558

Deferimento

#9.1

08/17/1999

RPI 1493

Exigência - art. 36 da LPI

#6.1

03/23/1999

RPI 1472

14.1

10/24/1995

RPI 1299

Solicitação de exame técnico

#4.1

12/14/1993

RPI 1202

Publicação do pedido de patente

#3.1

09/17/1991

RPI 1085

Pedido de patente depositado

#2.1

04/23/1991

RPI 1064

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