公开(公告)号：US4293349A

公开(公告)日：1981-10-06

申请号：US131112

申请日：1980-03-17

Applicant: Giuseppe Pedrazzini

Inventor： Giuseppe Pedrazzini

IPC: B05D7/14 ,  C23C22/10 ,  C23C22/12 ,  C23C22/13 ,  C23C22/18 ,  C23F7/10

CPC classification number: C23C22/10

Abstract: The invention refers to new compositions for protecting steel surfaces from the oxidizing action of atmosphere.The essential components are: glucosides of pyrogallic and/or allagic acid of molecular weight between 270 and 1200; phosphoric acid, phosphates of bivalent transition metals such as Zn and Mn and nitrates of bivalent metals such as Zn and Mn.

Abstract translation: 本发明涉及用于保护钢表面免受大气氧化作用的新组合物。 主要成分是分子量在270和1200之间的焦糖和/或阿拉己酸的葡糖苷; 磷酸，二价过渡金属如Zn和Mn的磷酸盐和二价金属如Zn和Mn的硝酸盐。

公开(公告)号：US4808244A

公开(公告)日：1989-02-28

申请号：US98881

申请日：1987-09-21

Applicant: Giuseppe Pedrazzini

Inventor： Giuseppe Pedrazzini

IPC: C23C22/12 ,  C23C22/17 ,  C23F11/00

CPC classification number: C23C22/17

Abstract: Compositions for protecting steel surfaces against atmosferic oxidation comprising the quercitine derivative of monogallerylellogic acid, phosphoric acid, monoacid Zn phosphate, Zn nitrate, ascorbic acid, a water-miscible organic solvent ed water, said water-miscible organic solvent consisting of isopropyl glucol and ethoxypropanol.Said compositions are applied directly to the oxidized, treated or non-treated, steel surfaces.