| |
 |
|
|
Inventor: Wortman; William A.
Address: Harwinton, CT
No. of patents: 4
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7585909 |
.beta.-crystalline polypropylenes |
September 8, 2009 |
| Disclosed herein are p-urea phenyl derivatives of the formula: ##STR00001## wherein R.sub.1 and R.sub.2 are independently selected hydrocarbyl groups. These derivatives are useful as haze reducing agents in propylene polymers and copolymers. |
| 7572849 |
Urea phenyl derivatives and their use as polypropylene nucleating agents |
August 11, 2009 |
| Disclosed herein are urea phenyl derivatives of the formula: ##STR00001## wherein each R is an independently selected hydrocarbyl group and n is 2 or 3, and their use as nucleating agents for propylene polymers. |
| 7569630 |
.beta.-Crystalline polypropylenes |
August 4, 2009 |
| Disclosed herein are aromatic amide derivatives of the formulae: ##STR00001## wherein X.sub.1 and X.sub.2 are independently selected from the group consisting of --OH, --OR, --OM, --NH.sub.2, and --NHR; M is a metal; and R, R.sub.1, and R.sub.2 are independently selected hydrocarb |
| 7553896 |
Ortho-nitrosophenols as polymerization inhibitors |
June 30, 2009 |
| Disclosed herein is a method for inhibiting the premature polymerization of ethylenically unsaturated monomers comprising adding to said monomers an effective amount of at least one nitroso inhibitor of the structure: ##STR00001## wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are i |
|
|
|
