(19)

(11)

EP 4 100 378 A1

(12)

(43) Date of publication: 14.12.2022 Bulletin 2022/50 (21) Application number: 21750112.1 (22) Date of filing: 03.02.2021

(51) International Patent Classification (IPC):  C04B 28/04(2006.01) E01C 5/00(2006.01) (52) Cooperative Patent Classification (CPC): C04B 28/04; E01C 5/065; C04B 2103/0057; C04B 2103/004; C04B 2111/00163   C-Sets: C04B 28/04, C04B 7/02, C04B 14/06, C04B 14/18, C04B 24/2623, C04B 24/2641, C04B 40/0608; (86) International application number: PCT/US2021/016327 (87) International publication number: WO 2021/158605 (12.08.2021 Gazette 2021/32)

(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: 03.02.2020 US 202016780236 (71) Applicant: Paver Technologies LLC Vero Beach, FL 32963 (US)	(72) Inventors: ELIASON, William Vero Beach, Florida 32963 (US) BERRY, Timothy Vero Beach, Florida 32968 (US) (74) Representative: Boult Wade Tennant LLP  Salisbury Square House 8 Salisbury Square London EC4Y 8AP London EC4Y 8AP (GB)