Aqueous liquid crystal display cleaning agent compounds and...

Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...

Reexamination Certificate

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C510S163000, C510S180000, C510S351000, C510S352000, C510S356000, C510S357000, C510S413000, C510S414000, C510S421000, C510S422000, C510S423000, C510S425000, C510S426000, C510S427000, C510S428000, C510S431000, C510S436000

Reexamination Certificate

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07553804

ABSTRACT:
The present invention discloses aqueous LCD cleaning agent compounds and their fabrication methods. Said cleaning agent compounds comprise of double fatty acid polyethylene glycol ester, fatty alcohol polyoxyethylene ether, polyethylene(3) glycol alkyl ether tri(alkyl ethers)amine sulfate and/or polyethylene(3) glycol enyl ether tri(alkyl ethers)amine sulfate, alkyl benzenesulfonic acid, lecithins and water. In particular, the weight of the ingredients in the compounds as a weight percentage of the weight of the compounds is: double fatty acid polyethylene glycol ester (10-50 wt %), fatty alcohol polyoxyethylene ether (5-60 wt %), polyethylene(3) glycol alkyl ether tri(alkyl ethers)amine sulfate and/or polyethylene(3) glycol enyl ether tri(alkyl ethers)amine sulfate (5-20 wt %), alkyl benzenesulfonic acid (1-15 wt %), lecithins (1-10 wt %), water (5-50 wt %). Embodiments of the aqueous LCD cleaning agent compounds of the present invention can effectively remove both the crystal liquid materials in the gaps between the two glass substrates and foreign contaminate particles attached on the surfaces of the glass substrates. Moreover, the LCD cleaning agent compounds have the characteristics of low toxicity, environmental friendliness, low flammability and high cleaning capabilities for various crystal liquid materials.

REFERENCES:
patent: 6686322 (2004-02-01), Nohara et al.
patent: 2003/0106572 (2003-06-01), Nishiki et al.
patent: 2005/0201967 (2005-09-01), Albrecht et al.
patent: 2006/0264344 (2006-11-01), Goldberg et al.
patent: 01114910 (2001-10-01), None
patent: 03122204 (2003-10-01), None
ZhiQi Liang, Practical Manual cleaning technology, 2005, p. 376, Chemical Industry Press, Beijing, China.
Cheng Liu, WangFu Zhang, ChangMing Cheng, Surfactant Handbook, 1996, p. 63, Chemical Industry Press, Beijing, China.

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