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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
C01B 33/00 C11D 3/08 C11D 3/10 C11D 3/12 C11D 3/60 C11D 17/06 |
| (11) | Number of the document | 3599 |
| (13) | Kind of document | B |
| (21) | Application number | IP573 |
| (22) | Date of filing the application | 1993-05-26 |
| (41) | Date of publication of the application | 1995-02-27 |
| (45) | Date of publication of patent | 1995-12-27 |
| (30) | Number | Date | Country code |
| 92 06419 | 1992-05-26 | FR |
| (71) |
RHONE-POULENC CHIMIE,
25, Quai Paul Doumer, 92408 Courbevoie Cedex,
FR
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| (72) |
Patric BOITTIAUX, FR
Virginie COUVRET, FR Daniel JOUBERT, FR |
| (73) |
RHONE-POULENC CHIMIE,
25, Quai Paul Doumer, 92408 Courbevoie Cedex,
FR
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| (74) |
Rita LAURINAVIČIŪTĖ,
Gedimino pr. 45-6, LT-01109 Vilnius,
LT
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| (54) | UTILIZATION AMORPHOUS SILICO ALUMINATE AS CAPTURE OF CALCIC PRECIPITATES |
| Payment date | Validity (years) | Amount | |
| 1996-04-18 | 4 | 80.00 USD |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 1997-05-26 |