ES8206379A1 - Procedure for obtaining pure tetrasodic alcaline pyrophosphate (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for obtaining pure tetrasodic alcaline pyrophosphate (Machine-translation by Google Translate, not legally binding)
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Foret SA
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Foret SA
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Priority to ES505341ApriorityCriticalpatent/ES505341A0/en
Publication of ES8206379A1publicationCriticalpatent/ES8206379A1/en
Publication of ES505341A0publicationCriticalpatent/ES505341A0/en
Procedure for the obtaining of tetrasodic pyrophosphate. Consists of treating phosphoric acid via humid with sodium hydroxide and/or sodium carbonate until ph 7.1, and relative na/p equal to 2, rebound the reaction product, filter to vacuum and/or pressure, concentrate and calcine. It is composed it has applications in the cotton textile, dye, paper, detergent and soap industry. (Machine-translation by Google Translate, not legally binding)
ES505341A1981-09-091981-09-09
PROCEDURE FOR OBTAINING ALCA- PURE LINK TETRASODIC PYROPHOSPHATE
GrantedES505341A0
(en)
4,4'-bis -4-morpholino-6 -(p-sulfoanilino) -symm-triazinyl -2-yl- aminostilbene-2,2' -disulfoacid tetrasodium salt as an optically bleach agent