Global patent index - EP 1068279 A1

EP 1068279 A1 2001-01-17 - METHOD FOR INCREASING THE pH VALUE IN ACIDIC SOILS

Title (en)

METHOD FOR INCREASING THE pH VALUE IN ACIDIC SOILS

Title (de)

VERFAHREN ZUR ANHEBUNG DES pH-WERTS IN SAUREN BÖDEN

Title (fr)

PROCEDE PERMETTANT D'AUGMENTER LE pH DANS LES SOLS ACIDES

Publication

EP 1068279 A1 (DE)

Application

EP 99915700 A

Priority

  • DE 19813423 A
  • EP 9902009 W

Abstract (en)

[origin: WO9948998A1] The invention relates to a method for increasing the pH value in acidic soils in which acidic soils are treated with cross-linked polyacrylates or polymethacrylates.

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

C09K 17/16; C09K 17/22

IPC 8 full level (invention and additional information)

C09K 17/16 (2006.01); C09K 17/22 (2006.01)

CPC (invention and additional information)

C09K 17/16 (2013.01); C09K 17/22 (2013.01)

Citation (search report)

See references of WO 9948998A1

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 9948998 A1 19990930; EP 1068279 A1 20010117; US 6484441 B1 20021126

INPADOC legal status

2005-04-06 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20041001

2002-02-27 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: STOCKHAUSEN GMBH & CO. KG

- Ref Legal Event Code: RAP1

2001-01-17 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20001026

2001-01-17 [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