FR20821E - - Google Patents
Info
- Publication number
- FR20821E FR20821E FR20821DA FR20821E FR 20821 E FR20821 E FR 20821E FR 20821D A FR20821D A FR 20821DA FR 20821 E FR20821 E FR 20821E
- Authority
- FR
- France
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
- C04B7/44—Burning; Melting
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR484220T | 1915-08-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR20821E true FR20821E (en) |
Family
ID=1521038
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR20821D Active FR20821E (en) | 1915-08-10 | ||
| FR484220D Expired FR484220A (en) | 1915-08-10 | 1915-08-10 | Rational process for artificial manufacture of slow setting cement by double firing method |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR484220D Expired FR484220A (en) | 1915-08-10 | 1915-08-10 | Rational process for artificial manufacture of slow setting cement by double firing method |
Country Status (1)
| Country | Link |
|---|---|
| FR (2) | FR484220A (en) |
-
0
- FR FR20821D patent/FR20821E/fr active Active
-
1915
- 1915-08-10 FR FR484220D patent/FR484220A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR484220A (en) | 1917-09-14 |