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3920689
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Information
Patent Grant
3920689
References
Source
Patent Number
3,920,689
Date Filed
Not available
Date Issued
Tuesday, November 18, 1975
49 years ago
CPC
D06M15/433 - by phosphoric acids
C03C17/324 - Polyesters
C07D233/32 - One oxygen atom
C07D233/72 - Two oxygen atoms
C14C11/00 - Surface finishing of leather
D06M13/236 - containing halogen atoms
D06M13/35 - Heterocyclic compounds
D06M13/385 - containing epoxy groups
D06M15/423 - Amino-aldehyde resins
US Classifications
548 - Organic compounds
528 - Synthetic resins or natural rubbers
544 - Organic compounds
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