(19)
(11) EP 4 396 524 A1

(12)

(43) Date of publication:
10.07.2024 Bulletin 2024/28

(21) Application number: 22865191.5

(22) Date of filing: 01.09.2022
(51) International Patent Classification (IPC): 
F42D 1/08(2006.01)
 C06B 21/00(2006.01)
(52) Cooperative Patent Classification (CPC):
C06B 21/0008; C06B 23/002; F42D 1/10
(86) International application number:
PCT/SG2022/050636
(87) International publication number:
WO 2023/033743 (09.03.2023 Gazette 2023/10)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 01.09.2021 US 202163239546 P

(71) Applicant: Orica International Pte Ltd
Singapore 079905 (SG)

(72) Inventors:
  • RANASINGHE, Milinda, Anupa
    Singapore 079120 (SG)
  • TAN, Su Nee
    Singapore 079120 (SG)
  • TENG, Shuli
    Singapore 079120 (SG)
  • RIGBY, Gregory, David
    Singapore 079120 (SG)

(74) Representative: Carpmaels & Ransford LLP 
One Southampton Row
London WC1B 5HA
London WC1B 5HA (GB)

   


(54) SYSTEMS AND METHODS FOR LOADING EXPLOSIVE COMPOSITIONS HAVING PROGRAMMABLY/SELECTIVELY DEFINED DENSITY PROFILES INTO BOREHOLES