Polycaprolactone polymers
First Claim
Patent Images
1. A polycaprolactone polymer having the formula:
- ##STR5## wherein R1 or R2 is an alkyl, cycloalkyl or aryl group, R3, R4 and R5 is a hydrogen or alkyl, cycloalkyl, or aryl group, and m equals 1 to 20 and n equals 1 to about 500.
1 Assignment
0 Petitions
Accused Products
Abstract
The instant invention relates to a process for the formation of polylactone polymers which are terminated on one end by a tertiary amine group and on the other end by a hydroxyl group. An ε-caprolactone is reacted with a diamine in the presence of a catalyst, wherein one of the amine groups of the diamine is a tertiary amine and the other amine group is primary or secondary.
-
Citations
6 Claims
-
1. A polycaprolactone polymer having the formula:
- ##STR5## wherein R1 or R2 is an alkyl, cycloalkyl or aryl group, R3, R4 and R5 is a hydrogen or alkyl, cycloalkyl, or aryl group, and m equals 1 to 20 and n equals 1 to about 500.
- View Dependent Claims (2, 3, 4, 5, 6)
Specification
-
- Resources
Litigation Campaign Assessment
Thank you for your request. You will receive a custom alert email when the Litigation Campaign Assessment is available.
×
-
Current AssigneeExxon Research and Engineering Company (Exxon Mobil Corporation)
-
Original AssigneeExxon Research and Engineering Company (Exxon Mobil Corporation)
-
InventorsLundberg, Robert D.
-
Primary Examiner(s)Nielsen, Earl A.
-
Application NumberUS06/332,813Time in Patent Office477 DaysField of Search528/354, 528/355, 560/185US Class Current528/354CPC Class CodesC08G 63/08 Lactones or lactidesC08G 63/6852 derived from hydroxy carbox...C08G 63/823 for the preparation of poly...
