The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 04, 2002
Filed:
Jun. 12, 2000
Soon-Jong Hahn, Seoul, KR;
Jeong-Joo Shin, Suwon-si, KR;
Jae-Min Ha, Suwon-si, KR;
Chang-Mook Cho, Seoul, KR;
Ki-Man Park, Suwon-si, KR;
Kwang-Hee Yoo, Uiwang-si, KR;
Dong-Jin Choi, Anyang-si, KR;
Jun-Weon Park, Seongnam-si, KR;
SK Chemicals, Kyungki-do, US;
Abstract
Disclosed is quaternary ammonium phosphate compound having formula (1) and which has an anticorrosive and a biocidal efffect to have a capability of preventing corrosion of various metals including corrosive metal substances, e.g. carbon steels, iron casts, stain steels, coppers, tinning steel plates or alumina and an efficient method of preparing the same. In formula (1), R is a straight or a branched alkyl or aryl radical with 1 to 27 carbon atom(s) free of —OH group and may contain hereto-atoms, and both R and R are methyl groups or R and R are combined to form a heterocyclic compound with 4 to 6 of carbon atoms containing oxygen and nitrogen.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile