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Methods of producing concentrated urea-sulfuric acid reaction products

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C05C-009/00
출원번호 US-0318629 (1981-11-05)
발명자 / 주소
  • Young Donald C. (Fullerton CA)
출원인 / 주소
  • Union Oil Company of California (Los Angeles CA 02)
인용정보 피인용 횟수 : 37  인용 특허 : 6

초록

Stable concentrated solutions of urea and sulfuric acid containing mono- and/or diurea sulfates and less than 35 weight percent water, free of sulfamic acid and/or ammonium sulfamate, are produced by a unique process that involves the simultaneous and separate addition of urea, sulfuric acid and opt

대표청구항

A method for producing concentrated solutions of urea and sulfuric acid of predetermined composition which method comprises the steps of: (i) simultaneously adding urea, concentrated sulfuric acid, and optionally water to a reaction zone at relative rates corresponding to the concentration of each r

이 특허에 인용된 특허 (6)

  1. Young Donald C. (Fullerton CA), Ammonium phosphate production and the reduction of fluorine and silicon emissions.
  2. Jones ; Leon R., Fertilizer composition and method of making same.
  3. Stoller Jerry H. (Bunkerhill TX) Hartung Harold A. (Collingswood NJ), High analysis liquid fertilizers.
  4. Harbolt Bruce A. (Northridge CA) Young Donald C. (Fullerton CA), Method of producing ammonium polyphosphate.
  5. Verdegaal William J. (Hanford CA) Verdegaal George F. (Hanford CA), Process for making liquid fertilizer.
  6. Young Donald C. (Fullerton CA) Harbolt Bruce A. (Northridge CA), Production of ammonium polyphosphates.

이 특허를 인용한 특허 (37)

  1. Young Donald C. (Fullerton CA), Acid catalysts and methods of use.
  2. Young Donald C. (Fullerton CA), Acid catalyzed nitration.
  3. Young Donald C. (Fullerton CA), Acid catalyzed reduction.
  4. Cummins Barry W., Acidic composition of matter for use to destroy microorganisms.
  5. Cummins Barry W., Acidic composition of matter for use to destroy microorganisms.
  6. Cummins, Barry W.; Creasey, David H., Acidic composition of matter for use to destroy microorganisms.
  7. Cummins, Barry W., Acidic composition of matter for use to detroy microorganisms.
  8. Young Donald C. (Fullerton CA), Alkylation.
  9. Young Donald C. (Fullerton CA), Battery cell electrolyte.
  10. Young Donald C. (Fullerton CA), Cellulosic compositions and methods for treating cellulosic materials.
  11. Young Donald C. (Fullerton CA), Electrolytic bath and methods of use.
  12. Young Donald C. (Fullerton CA), Friedel-Crafts reactions.
  13. Parrish, Scott K.; Beardmore, Richard A.; Herold, Anthony E., Herbicide composition comprising herbicide compound in acid form.
  14. Parrish, Scott K.; Beardmore, Richard A.; Herold, Anthony E., Herbicide composition comprising herbicide compound in acid form and acidifying agent.
  15. Parrish, Scott K.; Beardmore, Richard A; Herold, Anthony E, Herbicide composition comprising herbicide compound in acid form and acidifying agent.
  16. Young, Donald C., Herbicide compositions.
  17. Herold, Anthony E.; Parrish, Scott K.; Beardmore, Richard A., Herbicide compositions comprising imidazolinone acid, methods of preparation, and methods of use.
  18. Herold, Anthony E.; Beardmore, Richard A.; Parrish, Scott K., Herbicide compositions comprising suspension concentrate with glyphosate acid, methods of preparation, and methods of use.
  19. Volgas, Greg; Roberts, Johnnie R.; Baker, III, Marvin; Delashmit, Peter, Herbicide formulation.
  20. Herold, Anthony E.; Beardmore, Richard A.; Parrish, Scott K., Herbicide microemulsion-forming-concentrates, microemulsions, and methods.
  21. Herold,Anthony E.; Beardmore,Richard A.; Parrish,Scott K., Herbicide microemulsion-forming-concentrates, microemulsions, and methods.
  22. Johnson Wallace (Geraldine MT 59446), High nutrient content fertilizers.
  23. Young Donald C. (Fullerton CA), ID catalyzed reactions and compositions for use therein.
  24. Volgas, Greg; Roberts, Johnnie R.; Johnson, Flavious, Manufacture and use of a herbicide formulation.
  25. Young Donald C. (Fullerton CA), Method for treating wooden articles.
  26. Young Donald C. (Fullerton CA), Methods for acid catalyzed reactions.
  27. Young Donald C. (Fullerton CA), Methods for cleaning materials.
  28. Young Donald C. (Fullerton CA), Methods for facilitating the harvest of food crops.
  29. Young Donald C. (Fullerton CA), Methods for removing obstructions from conduits using sulfuric acid adducts.
  30. Young Donald C. (Fullerton CA), Methods for removing obstructions from conduits with urea-sulfuric acid compositions.
  31. Young Donald C. (Fullerton CA), Pesticidal compositions and methods for controlling pests.
  32. Young Donald C. (Fullerton CA), Plant seed compositions.
  33. Young Donald C. (Fullerton CA), Scarifying plant seeds.
  34. Harbolt Bruce A. (Hacienda Heights CA) Moerdyke Donald D. (Northridge CA), Single pass continuous urea-sulfuric acid process.
  35. Young Donald C. (Fullerton CA), Systemic herbicides and methods of use.
  36. Young Donald C. (Fullerton CA), Systemic herbicides and methods of use.
  37. Young Donald C. (Fullerton CA), Thermally stable urea-sulfuric acid compositions and methods of manufacture.
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