Global Patent Index - EP 0978553 A4

EP 0978553 A4 2000-05-24 - HIGH-CONCENTRATION SOLID/WATER SLURRY AND PROCESS FOR PRODUCING THE SAME

Title (en)

HIGH-CONCENTRATION SOLID/WATER SLURRY AND PROCESS FOR PRODUCING THE SAME

Title (de)

HOCH KONZENTRIATE FESTSTOFF/WASSER-SUSPENSION UND VERFAHREN ZU IHRER HERSTELLUNG

Title (fr)

SUSPENSION EAU/MATIERES SOLIDES FORTEMENT CONCENTREE ET PROCEDE DE FABRICATION CORRESPONDANT

Publication

EP 0978553 A4 (EN)

Application

EP 98909744 A

Priority

  • JP 9801158 W
  • JP 6412897 A

Abstract (en)

[origin: EP0978553A1] This invention provides a highly concentrated solid-water slurry possessing high flowability and excelling in stability during storage and transportation and a method for the production thereof. The highly concentrated solid-water slurry is such that in the stress sweep test performed by the method for determining dynamic viscoelasticity of slurry, the largest stress of the region of linear elasticity determined at an oscillation frequency of 1 Hz is in the range of 0.3 - 10 Pa and the strain of the slurry giving the largest stress of the region of linear elasticity is not less than 2%. Further, the highly concentrated solid-water slurry is such that in the creep.recovery test values determined in the region of linear elasticity in the method for determining static viscoelasticity of slurry, the modulus of elasticity of the Maxwell element analyzed by assuming the four-constant dynamic model using Hookean elasticity and Newtonian viscosity is in the range of 8 - 70 Pa and the modulus of elasticity of the Vogt's element is in the range of 3 - 70 Pa.

IPC 1-7 (main, further and additional classification)

C10L 1/32

IPC 8 full level (invention and additional information)

C10L 1/32 (2006.01)

CPC (invention and additional information)

C10L 1/326 (2013.01)

Citation (search report)

  • No further relevant documents disclosed
  • See also references of WO 9841598A1

Designated contracting state (EPC)

DE GB

EPO simple patent family

EP 0978553 A1 20000209; EP 0978553 A4 20000524; AU 6419298 A 19981012; AU 740116 B2 20011101; CN 1259985 A 20000712; JP H10259389 A 19980929; WO 9841598 A1 19980924

INPADOC legal status


2002-10-30 [18W] WITHDRAWN

- Date of withdrawal: 20020830

2000-05-24 [A4] SUPPLEMENTARY SEARCH REPORT

- Effective date: 20000410

2000-05-24 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A4

- Designated State(s): DE GB

2000-02-09 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19991018

2000-02-09 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE GB