Producing sodium carbonate monohydrate from carbonate solution including addition of aluminum ions
Patent 4019872 Issued on April 26, 1977. Estimated Expiration Date: 
April 26, 1994. 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.
April 26, 1994. 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 ReferencesInventorApplicationNo. 05/573172 filed on 04/30/1975US Classes:23/300, With added material23/302T, Sodium compounds423/206.2, Alkali carbonate from trona423/421Alkali metal containing (Li, Na, K, Rb, or Cs)ExaminersPrimary: Emery, Stephen J.Attorney, Agent or FirmAbstractProcess for producing high bulk density sodium carbonate monohydrate crystals from sodium carbonate solutions wherein the sodium carbonate monohydrate is crystallized in the presence of at least 30 parts per million soluble aluminum ions.Field of SearchWith added material |
| ||||||||||||||
