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BILLER EFIM

Overview
  • Total Patents
    39
About

BILLER EFIM has a total of 39 patent applications. Its first patent ever was published in 1958. It filed its patents most often in Austria, Canada and United Kingdom. Its main competitors in its focus markets environmental technology, macromolecular chemistry and polymers and organic fine chemistry are JUNKAI TIANJIN CHEMICAL CO LTD, QU QIANGHAO and MAVROVIC IVO.

Patent filings per year

Chart showing BILLER EFIMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Biller Efim 22
#2 Eehimu Biraa 1
#3 Efim Biller 1
#4 Biller E 1

Latest patents

Publication Filing date Title
US4798909A Process for recovery of polyarylpolyamines
US4250114A Process for the recovery of polyarylpolyamines
AU1940476A Polyaryl amines
CS199653B2 Process for preparing polyarylamines containing methylene bridges
IE44544L A process for the production of polyaryl amines containg methylene bridges
IL44923D0 The production of polyarylamines containing methylene bridges
GB1282828A Process for the production of diarylamines
GB925627A Improvements in or relating to the nuclear alkylation of aromatic compounds
GB839501A A process for the nuclear alkylation of aromatic compounds
GB872876A A process for the production of carboxylic acid esters
CA900506A Process for the production of diarylamines
CA630735A Process for the nuclear alkylation of aromatic compounds
CA605701A Process for the production of carboxylic acid esters