U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Aqueous rinsing composition

Patent 5977041 Issued on November 2, 1999. Estimated Expiration Date: Icon_subject September 23, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3629127

Rinse composition
Patent #: 3941713
Issued on: 03/02/1976
Inventor: Dawson ,   et al.

Method for cleaning membrane filter
Patent #: 4153545
Issued on: 05/08/1979
Inventor: Zwack ,   et al.

Acidic hydrocarbon-in-water emulsions
Patent #: 4212759
Issued on: 07/15/1980
Inventor: Young ,   et al.

Agent and method for the removal of photoresist and stripper residues from semiconductor substrates
Patent #: 4786578
Issued on: 11/22/1988
Inventor: Neisius ,   et al.

Method for rinse treatment of a substrate
Patent #: 4824762
Issued on: 04/25/1989
Inventor: Kobayashi ,   et al.

Fabric conditioner comprising a mixture of quaternary ammonium compounds and select tertiary amines
Patent #: 4970008
Issued on: 11/13/1990
Inventor: Kandathil

Surface treating agent for aluminum line pattern substrate
Patent #: 5174816
Issued on: 12/29/1992
Inventor: Aoyama, et al.

Alcohol-free, oral rinse and pre-rinse emulsions method of prepration and method of use
Patent #: 5284648
Issued on: 02/08/1994
Inventor: White, et al.

Aqueous lubricant and surface conditioner for formed metal surfaces
Patent #: 5476601
Issued on: 12/19/1995
Inventor: Bershas, et al.

More ...

Inventor

Assignee

Application

No. 936010 filed on 09/23/1997

US Classes:

510/175, For printed or integrated electrical circuit, or semiconductor device510/421, Polyoxyalkylene containing surfactant devoid of covalently bonded anionic substituents510/434, Polycarboxylic acid component, or acid anhydride or salt thereof (e.g., acrylic acid polymer, maleic anhydride, sodium citrate, etc.)510/477, Polycarboxylic acid component, or salt thereof510/488, Carboxylic acid, or salt thereof510/505, Oxygen in the component (except substituted triazines)510/506, Ether510/522Liquid composition

Examiners

Primary: Gupta, Yogendra N.
Assistant: Webb, Gregory E.

Attorney, Agent or Firm

International Class

C11D 001/722

Abstract

The present invention is directed to an aqueous post-strip rinsing composition, comprising (1) water; (2) at least one water-soluble organic acid; and (3) at least one water-soluble surface-active agent, the rinse solution having a pH in the range from about 2.0 to about 5.0. The present invention is also directed to a method of using the above composition to remove residues from a semiconductor substrate.

PatentsPlus Images
Enhanced PDF formats
loading...
PatentsPlus: add to cart
PatentsPlus: add to cartSearch-enhanced full patent PDF image
$9.95more info
PatentsPlus: add to cart
PatentsPlus: add to cartIntelligent turbocharged patent PDFs with marked up images
$16.95more info
 
Sign InRegister
Username  
Password   
forgot password?