| 摘要 |
PCT No. PCT/GB93/01464 Sec. 371 Date Apr. 18, 1995 Sec. 102(e) Date Apr. 18, 1995 PCT Filed Jul. 13, 1993 PCT Pub. No. WO94/03462 PCT Pub. Date Feb. 17, 1994Novel ammonium salts of organo-oxyphosphorus acids, organo-thiophosphorus acids and their esters and to the use thereof as additives for lubricants, especially for providing protection against extreme pressure and corrosion, to compositions containing these novel salts, a method for lubricating metal surfaces in frictional contact, and a metal surface treated with the salt or lubricant composition. |
