Global patent index - EP 1089841 A1

EP 1089841 A1 2001-04-11 - AN INFILTRATED ARTICLE PREPARED FROM PARTICLES COVERED WITH WATER GLASS

Title (en)

AN INFILTRATED ARTICLE PREPARED FROM PARTICLES COVERED WITH WATER GLASS

Title (de)

INFILTRIERTER ARTIKEL, DER MIT WASSERGLASBESCHICHTETEN PARTIKELN HERGESTELLT IST

Title (fr)

ARTICLE INFILTRE PRODUIT A L'AIDE DE PARTICULES ENROBEES DE VERRE SOLUBLE

Publication

EP 1089841 A1 (EN)

Application

EP 99917803 A

Priority

  • DK 9900248 W
  • DK 63998 A

Abstract (en)

[origin: WO9958268A1] An article prepared from particles covered with a layer of water glass is disclosed, wherein the water glass has a weight module between 1.8 and 3.5 and the article is infiltrated. The infiltration of the article results in an enhanced strength. Furthermore, a process for the preparation of an article is disclosed, wherein a green article is infiltrated by allowing a liquid material to be absorbed and subsequently solidified.

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

B22C 1/18; B29C 45/26

IPC 8 full level (invention and additional information)

B22C 1/00 (2006.01); B22C 1/18 (2006.01); C04B 20/10 (2006.01); C04B 28/26 (2006.01); C04B 38/00 (2006.01); C04B 41/52 (2006.01); C04B 41/70 (2006.01)

CPC (invention and additional information)

C04B 41/009 (2013.01); B22C 1/00 (2013.01); B22C 1/188 (2013.01); C04B 20/1085 (2013.01); C04B 28/26 (2013.01); C04B 38/0038 (2013.01); C04B 41/52 (2013.01); C04B 41/70 (2013.01); C04B 2111/0087 (2013.01); C04B 2111/00939 (2013.01)

Combination set (CPC)

  1. C04B 28/26 + C04B 14/34 + C04B 20/0076 + C04B 20/1085 + C04B 38/0038 + C04B 41/5089 + C04B 41/52
  2. C04B 28/26 + C04B 14/30 + C04B 20/0076 + C04B 20/1085 + C04B 38/0038 + C04B 41/5127 + C04B 41/52
  3. C04B 38/0038 + C04B 28/26 + C04B 40/0268 + C04B 41/5089
  4. C04B 41/52 + C04B 41/5089
  5. C04B 41/52 + C04B 41/5127 + C04B 41/52
  6. C04B 41/009 + C04B 38/0038
  7. C04B 41/009 + C04B 28/26

Citation (search report)

See references of WO 9958268A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

WO 9958268 A1 19991118; AU 3595499 A 19991129; DK 173646 B1 20010521; DK 63998 A 19991112; EP 1089841 A1 20010411; NO 20005645 A 20010111; NO 20005645 D0 20001108

INPADOC legal status

2003-05-28 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20021121

2002-06-26 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20020510

2001-04-11 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20001123

2001-04-11 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2001-04-11 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Ref Legal Event Code: AX

- Free Format Text: AL PAYMENT 20001123;LT PAYMENT 20001123;LV PAYMENT 20001123;MK PAYMENT 20001123;RO PAYMENT 20001123;SI PAYMENT 20001123