Preform, its method of preparation and its use
US11118023B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2017 |
| Grant date | Sep 14, 2021 |
| Priority date | — |
| Expiry date | Jul 1, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2207/53
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a composite preform comprising a multistage polymer. The present invention further relates to a method for making a composite preform comprising a fibrous material and a multistage polymer and its use in making composite articles. The present invention also relates to a process for preparing a composite preform comprising a fibrous material and a multistage polymer and its use for producing fibre reinforced impact modified composites.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.