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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE DIALQUIL DISSULFETOS E POLISSULFETOS

Prazo de SigiloInvention Patent

Application data

Number

PI8902310

Type

Invention Patent

Filing

05/17/1989

Publication

01/09/1990

Progress at the INPI

  1. Filing05/17/89
  2. Publication01/09/90
  3. Abandoned03/03/92
  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: 07/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Atochem North America, Inc.

US

P. C. (pessoa física)

US

See this company's full portfolio

Inventors

B. B. (pessoa física)

US

E. D. (pessoa física)

US

R. H. (pessoa física)

Technical data

IPC Classification

Priority claims

US

195,246 · 05/18/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/04/1989

RPI 976

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 148/00; C07C 149/12; B01J 29/08; C08G 75/14.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

10/31/1995

RPI 1300

Exigência - art. 36 da LPI

#6.1

01/31/1995

RPI 1261

Solicitação de exame técnico

#4.1

03/03/1992

RPI 1109

14.4

11/19/1991

RPI 1094

Publicação do pedido de patente

#3.1

01/09/1990

RPI 1001

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