Lapping composition and method using same

Details Lapping composition and method using same Lapping composition and method using same

2009-11-09

2011-11-15

Culbert, Roberts (Department: 1716)

Compositions

Etching or brightening compositions

C252S079500

Reexamination Certificate

active

08057697

ABSTRACT:
A lapping composition is presented, wherein that lapping composition is formed by mixing a solvent, a base, and a phenolic compound having structure I:wherein R1 is selected from the group consisting of —O−Mx+wherein x is selected from the group consisting of 1, 2, and 3, —O—R3 wherein R3 is selected from the group consisting of alkyl, allyl, and phenyl, —N(R3R4) wherein R4 is selected from the group consisting of —H, alkyl, allyl, and phenyl, and —S—R3; and wherein R2 is selected from the group consisting of —O−Mx+wherein x is selected from the group consisting of 1, 2, and 3, —O—R3 wherein R3 is selected from the group consisting of alkyl, allyl, and phenyl, —N(R3R4) wherein R4 is selected from the group consisting of —H, alkyl, allyl, and phenyl, and —S—R3.

REFERENCES:
patent: 3956402 (1976-05-01), Schellenbaum
patent: 4476219 (1984-10-01), Sakanoue et al.
patent: 6468137 (2002-10-01), Fang et al.
patent: 2003/0064671 (2003-04-01), Pasqualoni et al.
patent: 2003/0194953 (2003-10-01), McClain et al.
patent: 2004/0157535 (2004-08-01), Chaneyalew et al.
patent: 2004/0159050 (2004-08-01), Pasqualoni et al.
International Search Report and Written Opinion dated Apr. 12, 2009.

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