NL94749C - - Google Patents
Info
- Publication number
- NL94749C NL94749C NL94749DA NL94749C NL 94749 C NL94749 C NL 94749C NL 94749D A NL94749D A NL 94749DA NL 94749 C NL94749 C NL 94749C
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
- G01N21/45—Refractivity; Phase-affecting properties, e.g. optical path length using interferometric methods; using Schlieren methods
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH721807X | 1952-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL94749C true NL94749C (de) |
Family
ID=4531610
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7216884,A NL175180B (nl) | 1952-01-10 | Werkwijze ter bereiding van een o-(di(alk)arylfosfino)benzoezuur. | |
| NL94749D NL94749C (de) | 1952-01-10 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7216884,A NL175180B (nl) | 1952-01-10 | Werkwijze ter bereiding van een o-(di(alk)arylfosfino)benzoezuur. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2780955A (de) |
| CH (1) | CH299750A (de) |
| DE (1) | DE942052C (de) |
| FR (1) | FR1069531A (de) |
| GB (1) | GB721807A (de) |
| NL (2) | NL94749C (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2954722A (en) * | 1958-01-20 | 1960-10-04 | Zeiss Jena Veb Carl | Optical apparatus for producing the curve of the refractive index gradient of a liquid |
| BE637732A (de) * | 1962-09-25 | |||
| US5153666A (en) * | 1988-11-14 | 1992-10-06 | Anthony R. Torres | Method and apparatus for detecting concentration gradients |
| US4993832A (en) * | 1988-11-14 | 1991-02-19 | Anthony R. Torres | Method and apparatus for detecting concentration gradients |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB355911A (en) * | 1930-07-29 | 1931-09-03 | William Ewart Williams | Improvements in optical interferometers |
-
0
- NL NLAANVRAGE7216884,A patent/NL175180B/xx unknown
- NL NL94749D patent/NL94749C/xx active
-
1952
- 1952-01-10 CH CH299750D patent/CH299750A/de unknown
-
1953
- 1953-01-08 US US330199A patent/US2780955A/en not_active Expired - Lifetime
- 1953-01-08 DE DES31732A patent/DE942052C/de not_active Expired
- 1953-01-09 GB GB735/53A patent/GB721807A/en not_active Expired
- 1953-01-09 FR FR1069531D patent/FR1069531A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH299750A (de) | 1954-06-30 |
| DE942052C (de) | 1956-04-26 |
| US2780955A (en) | 1957-02-12 |
| FR1069531A (fr) | 1954-07-08 |
| GB721807A (en) | 1955-01-12 |
| NL175180B (nl) |