2. Massart, Rene (1982). U.S. Patent 4,329,241  Magnetic Fluids and Process for Obtaining Them: Washington, DC: U.S. Patent and Trademark Office.

3. Lane, Edward S. (1986). U.S. Patent 4,576,921 Preparation of Dispersions and Ceramics from Hydrated Metal Oxides: Washington, DC: U.S. Patent and Trademark Office.

4. Stambaugh, Edgel et. al. (1986). U.S. Patent 4,619,817 Hydrothermal Method for Producing Stabilized Zirconia: Washington, DC: U.S. Patent and Trademark Office.

5. Ratna, Banahalli.  (1999).  U.S. Patent 6,576,156 Phosphors with Nanoscale Grain Sizes and Methods for Preparing the Same: Washington, DC: U.S. Patent and Trademark Office.  

6. Solomon, Stephen P. (1965). U.S. Patent 3,215,572 Low Viscosity Magnetic Fluid Obtained by the Colloidal Suspension of Magnetic Particles: Washington, DC: U.S. Patent and Trademark Office.

7. Bunker, Bruce et. al. (1989) U.S. Patent 4,839,339 Superconductor Precursor Mixtures Made by Precipitation Method: Washington, DC: U.S. Patent and Trademark Office.

8. Sengupta, Suvankar et. al. (1999). U.S. Patent 5,863,867 Fine-Particle Bi-Sr-Ca-Cu-O Having High Phase Purity Made by Chemical Precipitation and Low-pressure Calcination Method: Washington, DC: U.S. Patent and Trademark Office.

9. Spencer, Nicolas, et. al. (1992). U.S. Patent 5,149,682 Manufacturing Method for Superconducting Ceramics and Products Thereof: Washington, DC: U.S. Patent and Trademark Office.

10. Kerchner, Jeffrey (2000). U.S. Patent 6,129,903 Hydrothermal Process for Making Barium Titanate Powders: Washington, DC: U.S. Patent and Trademark Office.

11. George, Anna et. al. (2000). U. S. Patent 6,152,148 Method for Cleaning Semiconductor Wafers Containing Dielectric Films: Washington, DC: U.S. Patent and Trademark Office.

12. Honda, Kenji (1999). U. S. Patent 5,977, 041 Aqueous Rinsing Composition: Washington, DC: U.S. Patent and Trademark Office.

13. Aoki, Hidemitsu et. al. (2004). U. S. Patent 6,797,648 Cleaning Water for Cleaning a Wafer and Method of Cleaning a Wafer: Washington, DC: U.S. Patent and Trademark Office. 

Patents on Novel Oxalate Precursors
1. Rousset, Abel C.; Boissier, Guy; Jabry, El Hadj; Caffin, Jean-Pierre (1989). US Patent 4,840,925. Compositions of Transition Metal Manganites in the Form of Their Particles or Ceramics, Their Preparation and Their Use in the Production of Thermistors. Washington, DC: U.S. Patent and Trademark Office.

2. Dole, Stephen L. . Greskovich, Charles D. (1992). US Patent 5,100,598 Method of Forming Yttria-Gadolinia Ceramic Scintillator from Ammonium Dispersed Oxalate Precipitates. Washington, DC: U.S. Patent and Trademark Office.

3. Jae Chul Jung et al. (1997). US Patent 7,179,441 Method for Preparing Barium-Titanate Based Powder. Washington, DC: U.S. Patent and Trademark Office.

4. Hong, Yang-Ki; Park, Mun-Hyoun (2003). US Patent 6,585,951 Methods for Manufacturing Dielectric Powders. Washington, DC: U.S. Patent and Trademark Office.

5. Swanson, Donald Keith (2006). US Patent 7,001,585. Method of Making Barium Titanate. Washington, DC: U.S. Patent and Trademark Office.

6. Kaneyoshi, Masami; Yamada, Tomoyuki; Yoshida, Norifumi  (1994). US Patent 5,332,558. Rare Earth Oxide Powder and Method for the Preparation Thereof. Washington, DC: U.S. Patent and Trademark Office.