Sodium carbonate monohydrate crystallization
Patent 3975499 Issued on August 17, 1976. Estimated Expiration Date: 
August 17, 1993. 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.
August 17, 1993. 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 2670269 2954282 3037849 3072466 3655331 3705790 3725014 3780160 InventorAssigneeApplicationNo. 476560 filed on 06/05/1974US Classes:423/266, For stabilizing crystal size or shape23/302T, Sodium compounds423/206.2, Alkali carbonate from trona423/421Alkali metal containing (Li, Na, K, Rb, or Cs)ExaminersPrimary: Vertiz, O. R.Assistant: Straub, Gary P. AbstractProcess for producing sodium carbonate monohydrate crystals having a high bulk density, blocky crystal shape, and uniform particle size distribution from sodium carbonate solutions wherein the sodium carbonate monohydrate is crystallized in the presence of magnesium ions and sodium dodecylbenzenesulfonate.Other References
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