| Patent Number |
Title Of Patent |
Date Issued |
| 6723771 |
High friction polyurethane elastomers having improved abrasion resistance |
April 20, 2004 |
| A composition of matter is disclosed wherein the composition comprises a polyurethane elastomer prepared by mixing A) a polyurethane prepolymer, B) a curative, and C) a liquid, non-reactive polydimethylsiloxane,wherein C) is present in a concentration of about 0.5 to about 25% based on |
| 6530849 |
Low cost, resilient, shear resistant polyurethane elastomers for golf ball covers |
March 11, 2003 |
| Disclosed herein is a golf ball comprising a core and a cover, said cover comprising a polyurethane elastomer comprising the reaction product of: A) at least one diisocyanate monomer; B) at least one polyol that is a homopolymer of propylene oxide having a molecular weight greater than |
| 6525131 |
Aromatic diamine polyurethane curatives with improved stability |
February 25, 2003 |
| Disclosed herein is a composition comprising an aromatic diamine that is a solid at room temperature and a stabilizing quantity of a hindered amine light stabilizer and its use as a polyurethane curing agent. |
| 6309313 |
Low cost, resilient, shear resistant polyurethane elastomers for golf ball covers |
October 30, 2001 |
| Disclosed herein is a golf ball comprising a core and a cover, said cover comprising a polyurethane elastomer comprising the reaction product of:A) at least one diisocyanate monomer;B) at least one polyether polyol having a molecular weight greater than 1000 and selected from the group consi |
| 6221999 |
High resilience, high clarity polyurethane elastomer |
April 24, 2001 |
| A cast polyurethane elastomer possessing a resilience of at least about 50 percent and a clarity index of at least 80 percent is obtained by subjecting to polyurethane elastomer-forming conditions a polyurethane elastomer-forming reaction mixture comprising:a) an isocyanate selected from |
| 6174984 |
Clear, resilient polyurethane elastomers |
January 16, 2001 |
| A polyurethane elastomer is disclosed that comprises the reaction product of:A) a prepolymer of at least one diisocyanate and at least one polyether polyol selected from the group consisting of a homopolymer of ethylene oxide, a homopolymer of propylene oxide, and a copolymer of ethylene |
| 5990258 |
High resilience, high clarity polyurethane elastomer |
November 23, 1999 |
| A polyurethane elastomer possessing high resilience and high clarity is obtained by subjecting to polyurethane elastomer-forming conditions a polyurethane elastomer-forming reaction mixture comprising:a) an isocyanate selected from the group consisting of diphenyl methane diisocyanate, i |