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DRUZHESTVEN N IZSLEDOVATELSKI

Overview
  • Total Patents
    58
About

DRUZHESTVEN N IZSLEDOVATELSKI has a total of 58 patent applications. Its first patent ever was published in 1982. It filed its patents most often in Bulgaria. Its main competitors in its focus markets organic fine chemistry and environmental technology are BEIJING WANQUAN DEZHONG MEDICAL BIOLOG TECHNOLOGY CO LTD, YIXING JUJINXIN CHEMICAL INDUSTRY CO LTD and ZHANGJIAGANG WEISHENG BIOLOG PHARMACEUTICAL CO LTD.

Patent filings in countries

World map showing DRUZHESTVEN N IZSLEDOVATELSKIs patent filings in countries
# Country Total Patents
#1 Bulgaria 58

Patent filings per year

Chart showing DRUZHESTVEN N IZSLEDOVATELSKIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Again Ivan A 18
#2 Stanoeva Liljana N 10
#3 Konstantinova Rumjana G 7
#4 Georgiev Atanas G 7
#5 Vitkova Snezhana G 7
#6 Nikolova Milka P 7
#7 Andonova Violeta Kh 7
#8 Evstatieva Anka V 7
#9 Radoslavov Ivan Kh 7
#10 Zikolova Svetlana S 7

Latest patents

Publication Filing date Title
BG96952A Solid-form medicament based on raxatidinacetate hydrochloride
BG95775A Method for lovastation isolatin and purification
BG94585A Method for the preparation of an analgesic medicament
BG51386A1 antitumour preparation
BG51300A1 Method for producing of stimulation effect antibiotic
BG51277A1 Medicament form on the basis of 1,2-diphenyl-1-/4-/2-dimethyl-aminoethoxy/phenyl/-1-butene
BG50863A1 A medicamentous form on the basis of 2/p-/2-hydroxy-3-isopropylamino/propoxy/phenylacetamide
BG51399A1 N-methyl-n-(2-chlorineethyl)-2-((2-hydroxymethyl)- phenylamino)-2-phenylethylamine hydrochloride and process for the preparation thereof
BG51092A1 Process for preparing of trans-1/4-(2-dimethylaminoethoxy)phenyl/-1,2-diphenyl-1-butene hydrochloride
BG50771A1 Method for the preparation of alpha- ethyldesoxybenzoin
BG50304A1 Aproces of preparing parenteral medicinal forms of sodium-alfa-6-methylprednisolone- 21-hydrogensuccinate
BG50187A1 Solid medicinal form on the basis of ergoalkaloid derivatides
BG50095A1 Esters of 1- methyl- 10 alpha- metoxy- 9, 10- dihydro- lisergol and method for their preparation
BG49959A1 Method for preparing of vasodilative means for cerebral circulation of the blood
BG49876A1 Method for preparing of n, n- dimethylacetamide aduct d (-)- alpha- (4- ethyl- 2, 3- dioxopyperazynil) carboxamido- alpha- (4- hydroxyphenyl) acetamid- 3- 5- (1- methyl-
BG49852A1 Local medicine form
BG49551A1 Method for preparing of 21- esters of cortycosteroydes
BG49521A1 Toothpaste with a plant substance
BG49316A1 Method for preparing trihydroxyethyl rutin
BG49213A1 Derrivatives of 4- piperasinil- 6- aminopirimidiny and method for their preparation