RO87996B1 - Procedeu de obtinere a complecsilor de cobalt - Google Patents

Procedeu de obtinere a complecsilor de cobalt

Info

Publication number
RO87996B1
RO87996B1 RO113148A RO11314883A RO87996B1 RO 87996 B1 RO87996 B1 RO 87996B1 RO 113148 A RO113148 A RO 113148A RO 11314883 A RO11314883 A RO 11314883A RO 87996 B1 RO87996 B1 RO 87996B1
Authority
RO
Romania
Prior art keywords
para
cobalt complexes
rc6h4
mol
obtaining
Prior art date
Application number
RO113148A
Other languages
English (en)
Other versions
RO87996A2 (ro
Inventor
Constantin Theodor Domide
Petru Maior
Ion Mihis
Gheorghe Petre
Original Assignee
Centrul De Cercetari Pentru Protectii Anticorozive Lacuri Si Vopsele
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Centrul De Cercetari Pentru Protectii Anticorozive Lacuri Si Vopsele filed Critical Centrul De Cercetari Pentru Protectii Anticorozive Lacuri Si Vopsele
Priority to RO83113148A priority Critical patent/RO87996A2/ro
Publication of RO87996B1 publication Critical patent/RO87996B1/ro
Publication of RO87996A2 publication Critical patent/RO87996A2/ro

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Procedeul de obtinerea complecsilor de cobalt, conform inventiei, consta în aceea ca în scopul obtinerii complecsilor de cobalt calitativ superior cu randamente ridicate, se aduc în reactie cu hidroxidul de cobalt, produsele de condensare cu formaldehida a metilolfenolilor cu formulele generale RC6H4 (C6H2OH)OH sau RC6H4 - (CH2OH)OH alesi în para crezol, para butilfenol, para tert-octil fenol, para cumilfenol si unde R este un rest alchilic, arilic sau acrilalchil cu 20 atomi C, în rapoarte molare de 0,1-1 mol Co(OH)2/1 mol metilol, fenol în prezenta a 10-200% hidrocarbura aromatica si 0,1-10% apa, ambele rapoarte la derivatul metilofenolic, la temperatura de maximum 150 degree C.
RO83113148A 1983-12-30 1983-12-30 Procedeu de obtinere a complecsilor de cobalt RO87996A2 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO83113148A RO87996A2 (ro) 1983-12-30 1983-12-30 Procedeu de obtinere a complecsilor de cobalt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO83113148A RO87996A2 (ro) 1983-12-30 1983-12-30 Procedeu de obtinere a complecsilor de cobalt

Publications (2)

Publication Number Publication Date
RO87996B1 true RO87996B1 (ro) 1985-10-31
RO87996A2 RO87996A2 (ro) 1985-11-30

Family

ID=20114171

Family Applications (1)

Application Number Title Priority Date Filing Date
RO83113148A RO87996A2 (ro) 1983-12-30 1983-12-30 Procedeu de obtinere a complecsilor de cobalt

Country Status (1)

Country Link
RO (1) RO87996A2 (ro)

Also Published As

Publication number Publication date
RO87996A2 (ro) 1985-11-30

Similar Documents

Publication Publication Date Title
BR8502451A (pt) Processo para a preparacao de aldeidos
RO87996B1 (ro) Procedeu de obtinere a complecsilor de cobalt
GB1489454A (en) Hydroxyalkyl hydroxy-aromatic condensation products as fuel and lubricant additives
ES518666A0 (es) Un procedimiento para la preparacion de un isocromano.
ES458484A1 (es) Procedimiento de obtencion de fenoles.
ATE37021T1 (de) Verfahren zur herstellung von orthohydroxybenzaldehyden.
EP0209020A3 (en) Phenol resins and process for their preparation
GB1378962A (en) Phosphonic ester derivatives having flame-proofing properties
ES451559A1 (es) Un procedimiento para la preparacion de aditivos fenolicos para combustibles y lubricantes.
GB1396875A (en) Hydroxyaryl carboxylic acids and esters thereof and their use as antioxidants
GB1518283A (en) Sulphurised mannich base compounds
GB1226615A (ro)
SU390134A1 (ru) Способ получения беззольной диспергирующей присадки к смазочным маслам
JPS5792090A (en) Coal-water slurry
GB1145956A (en) Process for preventing microbial growth in aqueous petroleum fractions
JPS56152439A (en) Esterification of phenol
Lisa et al. Antioxidants and stabilizers. XXXVIII. Effect of the side initiation on the antioxidative activity of the hydroquinone derivatives
JPS55151019A (en) Production of plasticization-modified phenolic resin
ES385109A1 (es) Procedimiento para la preparacion de composiciones de poli-esteres sinteticos, lineales, de condensacion.
GB1387088A (en) Process for the preparation of substituted diphenyl ethers
ES354185A1 (es) Procedimiento para preparar resinas sinteticas de fenol- formaldehido.
FR2304657A2 (fr) Fluides de forage
ATE45140T1 (de) Verfahren zur herstellung von alkancarbonsaeuren.
JPS55108865A (en) Preparation of 3-hydroxy-4-pyrone compound
JPS5649799A (en) Synthesis of lubricating oil additive