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US 2021/0363702 A1Published application
Composition and method for maintaining wood railroad ties
AssigneeRailroad Solutions, Inc.
InventorsWalter Vizcaino, Michael Raab
Life of this patent
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Abstract
A composition and method for maintenance of railroad wood ties is presented herein. The wood filler composition is applicable for filling holes or gaps in wood to stabilize wood structures. The composition comprises at least unintahite, also known as asphaltum or Gilsonite, and sand. The composition may further comprise a water repellant and a wood preservative. The composition is non-carcinogenic.
Claims20
A wood filler composition, the composition comprising:
- a) unintahite;
- and
- b) sand.
A wood filler composition, the wood filler composition comprising:
- a) Gilsonite;
- b) sand;
- c) a water repellant;
- and
- d) a wood preservative.
2 more elements
Dependencies are inferred from the claim text.