Patents and copyright certificates our R&D Center (1976 — 2018):

  1. PATENT RU 2699020. METHOD OF PURIFYING HIGH-BOILING HYDROCARBON FRACTIONS FROM MERCAPTANS. | PDF
  2. PATENT RU 2689572. METHOD OF REGENERATING ALKANOLAMINES WHEN PURIFYING HYDROCARBON GASES FROM HYDROGEN SULPHIDE. | PDF-format
  3. PATENT RU 2677226. NEW METAL COMPLEX COMPOUNDS OF OLYGOPYROCATECHOLATE AND METHOD FOR OBTAINING CATALYSTS FOR OXIDATION OF SULFUR COMPOUNDS BASED THEREON. | PDF-format
  4. PATENT RU 2680522.METHOD FOR REGENERATIVE CLEANING OF HYDROCARBON RAW FROM ACID IMPURITIES. | PDF-format
  5. PATENT RU 2665039. NEW BIS(3,5-DI-TERT-BUTYL-4-HYDROXYPHENYL)PROPYL)PHOSPHATE CHEMICAL COMPOUND. | PDF-format
  6. PATENT RU 2659269. METHOD FOR TREATING SEWAGE FROM SULFIDE AND/OR MERCAPTIDE SULFUR AND INSTALLATION FOR ITS IMPLEMENTATION. | PDF-format
  7. PATENT RU 2647591.METHOD OF CO-PRODUCTING POLYQUINONES AND ETHYLENE BISPHENOL. | PDF-format
  8. PATENT RU 2644779.CATALYST FOR LIQUID PHASE OXIDATION OF SODIUM SULFIDE. | PDF-format
  9. PATENT RU 2603635.METHOD FOR DEMERCAPTANISATION OF HYDROCARBON MATERIAL. | PDF-format
  10. PATENT RU 2552516.METHOD OF OBTAINING POLYQUINONES. | PDF-format
  11. PATENT RU 2540121. METHOD OF LIGHT HYDROCARBONS TREATMENT FROM CARBONYL SULPHIDE. | PDF-format
  12. PATENT RU 2529500. CATALYST FOR OXIDATION OF SULPHUROUS COMPOUNDS. | PDF-format

Useful links:

  1. LOCOS: Oxidation of Sulfur Chemical Wastes
  2. DeCOS-1