Product for use in chemical working operations
US3999949A · kind A · utility
17Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 1974 |
| Grant date | Dec 28, 1976 |
| Priority date | — |
| Expiry date | Dec 27, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31993
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A product employable in chemical working operations, for instance pipetting, where one or several devices are moved between, inserted into and withdrawn from a plurality of liquid containers arranged in a row, with the product preventing undesirable transfer of liquid between the containers. The product includes a layer of an absorbent material covering the openings into the liquid containers and closely engaging the devices to wipe off and clean their exteriors. The layer of absorbent material is fixed to a supporting layer provided with oval holes arranged to register with the openings into the liquid containers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.