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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Smith Klaus & French Lab
Original Assignee
Smith Klaus & French Lab
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Smith Klaus & French LabfiledCriticalSmith Klaus & French Lab
Priority to ES0243124ApriorityCriticalpatent/ES243124A1/en
Publication of ES243124A1publicationCriticalpatent/ES243124A1/en
Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members
(AREA)
Abstract
Process for stabilizing phenothiazine compounds, for the purposes of light, being characterized in that these compounds or compositions enclosing these compounds are mixed with a saccharin compound, such as saccharin or a soluble salt of saccharin for which they are added in proportion between 1/1 to 1/1000, obtaining optimal compounds when the proportions are between 1/5 to 1/5000. (Machine-translation by Google Translate, not legally binding)
ES0243124A1958-07-161958-07-16Procedure for stabilization of phenotyacinic compounds (Machine-translation by Google Translate, not legally binding)
ExpiredES243124A1
(en)
Procedure for the preparation of photographic emulsions of argentine halide, according to the flocculation method (Machine-translation by Google Translate, not legally binding)