ES138364A1 -
A colorless and harmless ink manufacturing process, which acquires color when writing with it on a paper prepared for this purpose.
- Google Patents
A colorless and harmless ink manufacturing process, which acquires color when writing with it on a paper prepared for this purpose.
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.)
Crochi Nicolas
Original Assignee
Crochi Nicolas
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 Crochi NicolasfiledCriticalCrochi Nicolas
Priority to ES138364ApriorityCriticalpatent/ES138364A1/en
Publication of ES138364A1publicationCriticalpatent/ES138364A1/en
ES138364A1935-05-231935-05-23
A colorless and harmless ink manufacturing process, which acquires color when writing with it on a paper prepared for this purpose.
ExpiredES138364A1
(en)