3Morris C E, Morris N M, Trask-Morrell B J. Interaction of meso-1, 2, 3, 4-butanetetracarboxylic acid with phosphorus-containing atalysts for esterification cross-linking of cellulose [j]. Ind Eng Chem Res, 1996, 35(3) : 950-953.
4Guerro G J, Henderson W A, Singh B. Water soluble binder compositions containing beta-hydroxy urethanes and polyfunctional carboxylic acids: EP, 0412249[P]. 1993-10-07.
5Blackwell G B. Dental/medical composition for restotative/prosthetic purposes and its use: EP, 0499180[P]. 1992-08-19.
6Heinrich H, Wilhelm R. Production of butane-polycarboxylic acids: US, 2203628[P]. 1940-6-4.
7Casanova E A, Kalota D J, Wagenknecht J H. Process for preparing butanetetracarboxylic acid: EP, 0433260[P]. 1991-06-19.
8Brotherton D L, Fung K W. Process for the oxidation of a tetrahydrophthalic acid: US, 5047582[P]. 1991-09-10.