Silica sol compositions for polishing silicon wafers

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4462188
SERIAL NO

06390726

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Semi-conductors can be polished with greater efficiency using as a polishing agent a blend of colloidal silica or silica gel, a water-soluble amine and a water-soluble quaternary ammonium salt or base.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
RODEL HOLDINGS INC1105 NORTH MARKET STREET SUITE 1300 WILMINGTON DE 19899

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Payne, Charles C Aurora, IL 19 491

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation