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Official data from INPI

2,3-DIHIDROPIRANOS, PROCESSOS PARA A SUA PREPARAÇÃO E SUS APLICAÇÃO.

Em AnáliseInvention Patent

Application data

Number

PI8107900

Type

Invention Patent

Filing

12/04/1981

Publication

09/08/1982

Progress at the INPI

Under appeal
  1. Filing12/04/81
  2. Publication09/08/82
  3. Examination11/20/84
  4. Allowance
  5. Grant
  6. In force

An appeal was filed against the abandonment. The INPI will review the decision.

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Latest action published by the INPI: 10/04/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B.A.T Cigaretten-Fabriken Gmbh

Inventors

F. W. (pessoa física)

H. V. (pessoa física)

L. R. (pessoa física)

L. H. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 30 45 909.7 · 12/05/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de recurso

#12.3

10/04/1988

RPI 937

11.3

07/26/1988

RPI 927

Exigência - art. 36 da LPI

#6.1

02/23/1988

RPI 905

Solicitação de exame técnico

#4.1

11/20/1984

RPI 735

Publicação do pedido de patente

#3.1

09/08/1982

RPI 620

Pedido de patente depositado

#2.1

01/26/1982

RPI 588

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