Patents by Inventor Abdol R. Nabhani

Abdol R. Nabhani has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4568395
    Abstract: An improved activator system for a precleaner is formulated by combining either a carboxyl substituted pyridine or a carboxylamine substituted pyridine with a polyprotic acid. The preferred precleaner activator system combines nicotinic acid and phosphoric acid. An improved activator system for a soldering flux is formulated by combining an alkylamine with either a hydroxyl containing organic acid or a small molecular weight keto acid. The preferred flux activator system combines tetrahydrofurfurylamine and hydroxyacetic acid. A method for preparing and soldering metal surface using the precleaner and flux is carried out at relatively low temperatures and relatively short times.
    Type: Grant
    Filed: May 10, 1985
    Date of Patent: February 4, 1986
    Inventor: Abdol R. Nabhani