Process for producing dicalcium silicate power
Patent 4118227 Issued on October 3, 1978. Estimated Expiration Date: 
May 20, 1997. 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.
May 20, 1997. 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 3928058 Expanded synthetic calcium silicates Patent #: 3998650 InventorsAssigneeApplicationNo. 05/799131 filed on 05/20/1977US Classes:106/470, Calcium silicate, e.g., dicalcium silicate or silicate hydrate, tobermorite, wollastonite, etc.106/426, Aluminum compound or silicon containing, e.g., clay, etc.106/449, Alkali or alkaline earth metal containing106/796Silica-lime mixturesExaminersPrimary: Garvin, Patrick P.Assistant: Howard, J. V. Attorney, Agent or FirmInternational ClassesC08K 3/00 (20060101)C08K 3/34 (20060101) Foreign Application Priority Data1976-05-24 JPAbstractAn improved process for producing γ-dicalcium silicate powder which is fine and has a uniform particle size. The γ-dicalcium silicate power has a great ability to capture hydrogen halides and low hygroscopcity, and is useful as a stabilizer for halogen-containing synthetic resins and a filler for synthetic resins. | |
