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Official data from INPI

COMPOSIÇÕES FOTOCURÁVEIS COMPREENDENDO ADUCTO DE ANIDRIDO MALEICO DE POLIBUTADIENO OU COPOLÍMEROS DO BUTADIENO

ArquivadaInvention Patent

Application data

Number

PI9101674

Type

Invention Patent

Filing

04/25/1991

Publication

12/10/1991

Progress at the INPI

  1. Filing04/25/91
  2. Publication12/10/91
  3. Abandoned09/08/92
  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: 07/27/1999. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PT Sub, Inc

US

W.R.Grace & Co.-Conn

US

See this company's full portfolio

Inventors

A. B. (pessoa física)

US

R. K. (pessoa física)

US

Technical data

Priority claims

US

514.899 · 04/26/1990

US

671.937 · 03/22/1991

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

07/27/1999

RPI 1490

Exigência - art. 36 da LPI

#6.1

11/03/1998

RPI 1452

14.1

12/05/1995

RPI 1305

Solicitação de exame técnico

#4.1

09/08/1992

RPI 1136

Publicação do pedido de patente

#3.1

12/10/1991

RPI 1097

Pedido de patente depositado

#2.1

12/03/1991

RPI 1096

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