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Official data from INPI

PROCESSO PARA PREPARAR UM HIDROCARBONETO ALIFÁTICO INSATURADO, PROCESSO PARA PREPARAR 1,3-BUTADIENO, COMPOSIÇÃO DE CATALISADOR HETEROGÊNEA SÓLIDA E SUPORTE DE CATALISADOR

ArquivadaInvention Patent

Application data

Number

PI9003542

Type

Invention Patent

Filing

07/17/1990

Publication

11/12/1991

Progress at the INPI

  1. Filing07/17/90
  2. Publication11/12/91
  3. Abandoned02/01/94
  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: 03/27/2018. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

See this company's full portfolio

Inventors

B. K. (pessoa física)

C. M. (pessoa física)

G. V. (pessoa física)

Technical data

Priority claims

US

383.107 · 07/20/1989

US

505.751 · 04/06/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 5/333; C07C 11/167; B01J 23/04; B01J 23/16; B01J 29/28.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

04/06/1999

RPI 1474

Exigência - art. 36 da LPI

#6.1

06/02/1998

RPI 1432

Solicitação de exame técnico

#4.1

02/01/1994

RPI 1209

Publicação do pedido de patente

#3.1

11/12/1991

RPI 1093

Pedido de patente depositado

#2.1

01/22/1991

RPI 1051

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