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Official data from INPI

POLÍMEROS DE MONOMEROS DE INTER-LIGAÇÃO DE HEMI-AMIDAL DE HEMIAMIDO-CETAL CÍCLICOS ISENTOS DE FORMALDEIDO, AUTO-REAGENTES E REAGENTES À HIDROXILA.

Em AnáliseInvention Patent

Application data

Number

PI8603600

Type

Invention Patent

Filing

07/30/1986

Publication

03/10/1987

Progress at the INPI

  1. Filing07/30/86
  2. Publication03/10/87
  3. Abandoned06/09/87
  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: 06/09/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Air Products And Chemicals, Inc

US

See this company's full portfolio

Inventors

D. D. (pessoa física)

J. G. (pessoa física)

US

R. J. (pessoa física)

W. B. (pessoa física)

Technical data

IPC Classification

Priority claims

US

762.978 · 08/06/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/09/1987

RPI 868

Publicação do pedido de patente

#3.1

03/10/1987

RPI 855

Pedido de patente depositado

#2.1

01/06/1987

RPI 846

Arquivamento - Art. 36 §1° da LPI

#11.2

12/17/1991

RPI 1098

Republicação - classificação IPC

#15.11

11/19/1991

RPI 1094

Exigência - art. 36 da LPI

#6.1

06/18/1991

RPI 1072

6.2

08/07/1990

RPI 1027

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