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Official data from INPI

POLIURETANO MODIFICADO DISPERSIVEL EM AGUA,COMPOSICAO AQUOSA ESPESSADA,PROCESSO PARA ELEVAR A VISCOSIDADE E MELHORAR AS CARACTERISTICAS DE NIVELAMENTO DE COMPOSICAO AQUOSA E PROCESSO DE PREPARACAO DE POLIURETANO MODIFICADO DISPERSIVEL EM AGUA

Em AnáliseInvention Patent

Application data

Number

PI8402074

Type

Invention Patent

Filing

05/03/1983

Publication

12/11/1984

Progress at the INPI

  1. Filing05/03/83
  2. Publication12/11/84
  3. Examination06/25/85
  4. Allowance02/14/89
  5. Abandoned
  6. In force

The application was allowed on 02/14/1989 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: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NL INDUSTRIES INC [US]

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Inventors

C. C. (pessoa física)

T. T. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

09/19/1989

RPI 987

9.1.3

05/23/1989

RPI 970

Deferimento

#9.1

02/14/1989

RPI 956

Exigência - art. 36 da LPI

#6.1

06/28/1988

RPI 923

14.1

12/30/1986

RPI 845

Solicitação de exame técnico

#4.1

06/25/1985

RPI 766

Publicação do pedido de patente

#3.1

12/11/1984

RPI 738

Pedido de patente depositado

#2.1

07/10/1984

RPI 716

Arquivamento - Art. 38 §2° da LPI

#11.4

06/19/1990

RPI 1023

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