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Official data from INPI

COMPOSIÇÃO FOTO-RESISTENTE NEGATIVA; PROCESSO PARA PREPARAR UMA IMAGEM NEGATIVA SOBRE UMA SUPERFÍCIE E PROCESSO PARA PREPARAR UMA IMAGEM TERMICAMENTE ESTÁVEL, NEGATIVA

Em AnáliseInvention Patent

Application data

Number

PI8700092

Type

Invention Patent

Filing

01/12/1987

Publication

12/01/1987

Progress at the INPI

  1. Filing01/12/87
  2. Publication12/01/87
  3. Abandoned03/22/88
  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: 03/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rohm And Haas Company

US

See this company's full portfolio

Inventors

W. F. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

818,430 · 01/13/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/22/1988

RPI 909

Publicação do pedido de patente

#3.1

12/01/1987

RPI 893

Pedido de patente depositado

#2.1

05/12/1987

RPI 864

Arquivamento - Art. 36 §1° da LPI

#11.2

03/01/1994

RPI 1213

Exigência - art. 36 da LPI

#6.1

07/13/1993

RPI 1180

15.18

11/26/1991

RPI 1095

Retificação

#15.3

09/17/1991

RPI 1085

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