Invention Grant
- Patent Title: Dyeing process
- Patent Title (中): 染色工艺
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Application No.: US411255Application Date: 1973-10-31
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Publication No.: US3980428APublication Date: 1976-09-14
- Inventor: Sergio Fabbri , Josef Frauenknecht
- Applicant: Sergio Fabbri , Josef Frauenknecht
- Applicant Address: CH Basel
- Assignee: Sandoz Ltd.
- Current Assignee: Sandoz Ltd.
- Current Assignee Address: CH Basel
- Priority: CH16126/72 19721106; CH1332/73 19730130
- Main IPC: B03B9/04
- IPC: B03B9/04 ; D06P1/673 ; D06P1/96 ; D06P3/24 ; D06P3/26 ; D06P1/41 ; D06P1/64 ; D06P1/653
Abstract:
The present invention relates to a process for dyeing or printing organic substrates in the presence of lactone, the amount of which is sufficient to adjust the pH value of the dyeing or printing medium from a neutral or basic value to a value from 4.0 to 6.5.
Public/Granted literature
- US5506583A Frequency range gate closure Public/Granted day:1996-04-09
Information query
