Bizarre Patents
A Receptacle for supporting, rotating and sculpting a portion of ice cream or similarly malleable food while it is being consumed.
PatentStorm News
Make the Most of PatentStorm
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest patents by subscribing to an RSS feed.
Got questions? Ask a Patent Expert!
Registered users: Manage your profile, comments and alerts.
US Patent 4950310 - Process for the preparation of crystalline sheet sodium silicates
US Patent Issued on August 21, 1990
Estimated Patent Expiration Date:
December 8, 2008Estimated 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.
Estimated Patent Expiration Date:
December 8, 2008Estimated 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.AbstractX-ray crystalline sodium silicates having a sheet structure and an SiO2 :Na2 O molar ratio of 1.9 to 3.5 are prepared by dissolving an X-ray crystalline sodium silicate having a sheet structure and an SiO2 /Na2 O molar ratio of 1.9:1 to 3.5:1 in water and evaporating the solution at temperatures of 20° to 445° C.For the preparation of detergents or cleaners, a mixture of surfactants and builders, which may also contain fillers, bleaching agents, bleach activators and enzymes, is made into a paste with water, mixed with an X-ray crystalline sheet sodium silicate having an SiO2 /Na2 O molar ratio of 1.9:1 to 3.5:1, mixed thoroughly and then spray-dried.Other References
| InventorsApplicationNo. 281805 filed on 12/08/1988US Classes:23/295R, Crystallization23/303, Common salt423/332, Alkali metal containing (Li, Na, K, Rb, or Cs)423/333By precipitating or gelling from silicate solutionField of Search423/332, Alkali metal containing (Li, Na, K, Rb, or Cs)423/333, By precipitating or gelling from silicate solution23/295R, Crystallization23/303Common saltExaminersPrimary: Nucker, Christine M.Assistant: Steffe, Eric US Patent References4166039, Detergent composition and processIssued on: 08/28/1979 Inventor: Wise4478735, Process for producing granular detergent composition Issued on: 10/23/1984 Inventor: Yazaki , et al.4524010, High-sudsing, granular detergent composition with greater granulate stability and process for its preparation Issued on: 06/18/1985 Inventor: Reuter , et al.4585642, Process for the preparation of crystalline sodium silicates Issued on: 04/29/1986 Inventor: Rieck4632815, Crystalline layered silicate Issued on: 12/30/1986 Inventor: Valyocsik4664839, Use of crystalline layered sodium silicates for softening water and a process for softening water Issued on: 05/12/1987 Inventor: Rieck4737306Layered silicates of limited swelling power, a process for their production and their use in detergents and cleaning preparations Issued on: 04/12/1988 Inventor: Wichelhaus , et al. Foreign Patent References
International ClassC01B 033/02Foreign Application Priority Data1987-12-11 DE |
