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Official data from INPI

COMPOSIÇÃO LIBERADORA DE FOSFETO DE HIDROGÊNIO, COMPOSIÇÃO DE CONTROLE DE PRAGAS, SEU PROCESSO DE PREPARAÇÃO E PROCESSO PARA GERAR GÁS DE FOSFINA.

Em AnáliseInvention Patent

Application data

Number

PI8008216

Type

Invention Patent

Filing

12/16/1980

Publication

-

Progress at the INPI

  1. Filing12/16/80
  2. Publication
  3. Examination
  4. Allowance11/29/88
  5. Grant04/24/90
  6. Terminated02/04/92

The patent was granted on 04/24/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dr. Werner Freyberg, Chemische Fabrik, Delitia Nachf.

DE

Inventors

D. F. (pessoa física)

DE

R. E. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 29 50 999.7 · 12/18/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

110

12/12/1989

RPI 999

Recurso

#12.1

04/11/1989

RPI 964

Deferimento

#9.1

11/29/1988

RPI 945

Exigência - art. 36 da LPI

#6.1

04/12/1988

RPI 912

Conhecimento de parecer técnico

#7.1

03/13/1984

RPI 699

6.2

09/28/1982

RPI 623

Pedido de certificado de adição de invenção

#5.1

05/04/1982

RPI 602

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

Concessão da patente

#16.1

04/24/1990

RPI 1015

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