Polyisocyanate-hydroxy aliphatic hydrocarbon substituted siloxane coating composition

• US 2,924,587 A
• Filed: 03/07/1955
• Issued: 02/09/1960
• Est. Priority Date: 03/07/1955
• Status: Expired due to Term

• Current Assignee: Leonard M. Shorr
• Original Assignee: Leonard M. Shorr
• Inventors: Shorr, Leonard M.
• Application Number:
  US03/492,732
• Time in Patent Office: 1,800 Days
• US Class Current: 528/28
• CPC Class Codes: C08G 18/61 Polysiloxanes
• CPC Class Codes: D06M 13/395 Isocyanates
• CPC Class Codes: D06M 15/6436 containing amino groups
• CPC Class Codes: Y10S 528/901 Room temperature curable silicon-containing polymer
• CPC Class Codes: Y10T 428/31591 Next to cellulosic
• CPC Class Codes: Y10T 428/31598 Next to silicon-containing [silicone, cement, etc.] layer
• CPC Class Codes: Y10T 428/31663 As siloxane, silicone or silane
• CPC Class Codes: Y10T 442/218 Organosilicon containing

Claims

1. A METHOD OF RENDERING AN ORGANIC FIBROUS MATERIAL WATER REPELLENT WHICH COMPRISES APPLYING TO THE FIBROUS MATERIAL A SOLUTION IN AN INERT ORGANIC SOLVENT OF A COMPOSITION COMPRISING (1) A COPOLYMER CONSISTING ESSENTIALLY OF FROM 1 TO 50 MOL PERCENT SILOXANE UNITS OF THE FORMULA