Surface treatment solutions for gold and gold alloys

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9914838
SERIAL NO

15157453

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A composition containing a cationic polymer obtained from a reaction product of nitrogen-containing heterocyclic compound and epihalohydrin; and a phosphorus compound. The composition can be used as a surface treatment for gold or gold alloy. The composition can seal pinholes on the surface of the gold or gold alloy.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • ROHM AND HAAS ELECTRONIC MATERIALS LLC

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kondo, Makoto Niigata, JP 153 1729
Mizuno, Yoko Shibata, JP 5 1
Morinaga, Toshiyuki Niigata, JP 5 2
Yomogida, Koichi Niigata, JP 11 80

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Sep 13, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Sep 13, 2029
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00