Pregnancy test device
US4033723A · kind A · utility
18Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 31, 1975 |
| Grant date | Jul 5, 1977 |
| Priority date | — |
| Expiry date | Dec 31, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S436/818
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A simple, sensitive method and device for detecting pregnancy. The test involves concentration by ultrafiltration of a sample of urine or serum from a subject; followed by determining the presence of human chorionic gonadotropin or of its .beta.-subunit in the concentrated sample.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.