Spray application of plastics additives to polymers
US5308648A · kind A · utility
41Cited by
17References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1992 |
| Grant date | May 3, 1994 |
| Priority date | — |
| Expiry date | Sep 30, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29B7/7447
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A process for applying a polymer additive material to a polymeric substrate includes the steps of a) forming in a closed pressurized system a mixture of a solid polymer additive material, a suitable liquid carrier material, and a suitable viscosity reducing material, and b) spraying this mixture onto a polymeric substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.