DE3441499C2 - - Google Patents
Info
- Publication number
- DE3441499C2 DE3441499C2 DE3441499A DE3441499A DE3441499C2 DE 3441499 C2 DE3441499 C2 DE 3441499C2 DE 3441499 A DE3441499 A DE 3441499A DE 3441499 A DE3441499 A DE 3441499A DE 3441499 C2 DE3441499 C2 DE 3441499C2
- Authority
- DE
- Germany
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
- G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
- G01N15/13—Details pertaining to apertures
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Optical Measuring Cells (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843441499 DE3441499A1 (de) | 1984-11-14 | 1984-11-14 | Vorrichtung zur messung des volumens und bestimmter optischer eigenschaften von in einer partikelsuspension suspendierten partikeln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843441499 DE3441499A1 (de) | 1984-11-14 | 1984-11-14 | Vorrichtung zur messung des volumens und bestimmter optischer eigenschaften von in einer partikelsuspension suspendierten partikeln |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3441499A1 DE3441499A1 (de) | 1986-05-22 |
| DE3441499C2 true DE3441499C2 (US07860544-20101228-C00003.png) | 1987-04-23 |
Family
ID=6250210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19843441499 Granted DE3441499A1 (de) | 1984-11-14 | 1984-11-14 | Vorrichtung zur messung des volumens und bestimmter optischer eigenschaften von in einer partikelsuspension suspendierten partikeln |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3441499A1 (US07860544-20101228-C00003.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008029700A1 (de) * | 2008-06-24 | 2010-01-14 | Palas Gmbh Partikel- Und Lasermesstechnik | Verfahren zum Bestimmen des Eindringens von Prüfpartikeln in einen Messbereich |
-
1984
- 1984-11-14 DE DE19843441499 patent/DE3441499A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3441499A1 (de) | 1986-05-22 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: EPPENDORF - NETHELER - HINZ GMBH, 2000 HAMBURG, DE |
|
| 8339 | Ceased/non-payment of the annual fee |