The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 24, 2026
Filed:
Apr. 03, 2020
Rockwool A/s, Hedehusene, DK;
Linda De Vries, Hedehusene, DK;
Dorte Bartnik Johansson, Hedehusene, DK;
Miroslav Nikolic, Hedehusene, DK;
Rockwool A/S, Hedehusene, DK;
Abstract
A sports field can comprise: (i) a lower base layer; (ii) an upper grass and/or artificial grass layer, and (iii) a shock pad layer, positioned between the base layer and the grass or artificial grass layer. The shock pad layer can comprise at least one shock pad comprising a coherent plate having upper and lower major surfaces, and the coherent plate can comprise at least one coherent layer comprising man-made vitreous fibres (MMVF) bonded with a cured aqueous binder composition. The aqueous binder composition prior to curing can comprise a component (i) in form of one or more oxidized lignins; a component (ii) in form of one or more cross-linkers; and a component (iii) in form of one or more plasticizers.