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Acid copper electroplating baths containing brightening and leveling additives    
United States Patent4376685   
Link to this pagehttp://www.wikipatents.com/4376685.html
Inventor(s)Watson; Angus (Bricktown, NJ)
AbstractThe invention is concerned with the electrodeposition of copper from an aqueous acidic bath containing the following additives: a. An alkylated polyalkyleneimine obtained as the reaction product of a polyalkyleneimine represented by the formula : H.sub.2 N--(CH.sub.2).sub.n NH--R wherein R is H or (CH.sub.2).sub.n NH.sub.2 and n=1 to 6 with an epihalohydrin and an alkylating agent; an organic sulfo sulfonate; a polyether; and optionally a thioorganic compound.



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Patent Text Patent PDF Print Page Summary File History
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Inventor     Watson; Angus (Bricktown, NJ)
Owner/Assignee     M&T Chemicals Inc. (Woodbridge, NJ)
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Publication Date     March 15, 1983
Application Number     06/277,057
PAIR File History     Application Data   Transaction History
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Litigation
Filing Date     June 24, 1981
US Classification     205/298 205/296 205/297
Int'l Classification     C25D 003/38
Examiner     Kaplan; G. L.
Assistant Examiner    
Attorney/Law Firm     Marcus; Stanley A. Parker; Sheldon H. , Schoenberg; Franklyn ,
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Priority Data    
USPTO Field of Search     204/52 R 204/44 204/106 204/123
Patent Tags     acid copper electroplating baths containing brightening leveling additives
   
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