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Official data from INPI

PROCESSO PARA PREPARAR LATICES DE COPOLIMERO DE ACETATO DE VINILA ETILENO,E,LATEX DE COPOLIMERO DE ACETATO DE VINILA ETILENO

Em AnáliseInvention Patent

Application data

Number

PI8000152

Type

Invention Patent

Filing

01/22/1979

Publication

-

Progress at the INPI

  1. Filing01/22/79
  2. Publication
  3. Examination11/23/82
  4. Allowance09/25/84
  5. Grant04/30/85
  6. Terminated06/21/88

The patent was granted on 04/30/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NAT DISTILLERS CHEM CORP

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Inventors

H. M. (pessoa física)

R. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

01/29/1985

RPI 745

Deferimento

#9.1

09/25/1984

RPI 727

Exigência - art. 36 da LPI

#6.1

01/24/1984

RPI 692

Solicitação de exame técnico

#4.1

11/23/1982

RPI 631

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