Global Patent Index - EP 1051470 A1

EP 1051470 A1 2000-11-15 - METHOD FOR SOFTENING SOIL ON HARD SURFACES

Title (en)

METHOD FOR SOFTENING SOIL ON HARD SURFACES

Title (de)

VERFAHREN ZUM ERWEICHEN VON SCHMUTZ AUF HARTEN OBERFLÄCHEN

Title (fr)

PROCEDE POUR RAMOLLIR DES SALISSURES SUR DES SURFACES DURES

Publication

EP 1051470 A1 (EN)

Application

EP 98956645 A

Priority

  • US 9823657 W
  • US 6500697 P

Abstract (en)

[origin: WO9924539A1] The present application relates to a method of softening soil deposited on a hard surface. The method comprises contacting a hard surface having soil with a composition having a soil softening additive incorporated into the composition. The compositions may be formulated at either high or low pH and preferred soil softening additives are amylase enzymes.

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

C11D 3/30; C11D 3/18; C11D 3/20; C11D 3/386; C11D 11/00

IPC 8 full level (invention and additional information)

C11D 3/30 (2006.01); C11D 3/18 (2006.01); C11D 3/20 (2006.01); C11D 3/386 (2006.01); C11D 11/00 (2006.01)

CPC (invention and additional information)

C11D 11/0023 (2013.01)

Citation (search report)

See references of WO 9924539A1

Designated contracting state (EPC)

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

EPO simple patent family

WO 9924539 A1 19990520; CA 2220312 A1 19980301; CA 2220312 C 19991109; EP 1051470 A1 20001115; JP 2001522931 A 20011120

INPADOC legal status


2004-08-04 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20040129

2003-09-03 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20030718

2000-11-15 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000804

2000-11-15 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

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