| Patent Number |
Title Of Patent |
Date Issued |
| 4404111 |
N,N-Dimethylacrylamide/2-acrylamido-2-methylpropane sulfonic acid copolymers for enhanced petrol |
September 13, 1983 |
| A N,N-dimethylacrylamide/2-acrylamido-2-methylpropane sulfonic acid copolymer is disclosed. The copolymer is particularly suitable for use as a viscosity control agent in an aqueous composition employed to facilitate petroleum recovery from subterranean petroleum bearing formations. |
| 4387264 |
Diolefin monomer purification process for anionic polymerization |
June 7, 1983 |
| An improved process for the purification of diolefin monomers for anionic polymerization is disclosed. The purification process of this invention results in polymer which exhibits excellent chain growing. |
| 4371670 |
Copolymers having a backbone of alternating polymer blocks and silicon units |
February 1, 1983 |
| Copolymers having a backbone of alternating polymer block and silicon units are described. The copolymers exhibit fire retardant properties. |
| 4346198 |
Clear impact resistant thermoplastic star-block copolymers |
August 24, 1982 |
| The preparation of a branched, radial block copolymer having improved falling weight impact properties, and having monomodal distribution of molecular structure in the arms of the block copolymer is described. |
| 4248984 |
Clear impact resistant thermoplastic star-block copolymers |
February 3, 1981 |
| The preparation of a branched, radial block copolymer having improved falling weight impact properties, especially at temperatures from room temperature to -40.degree. C., and having bimodal distribution of molecular structure in the arms of the block copolymer is described. |
| 4248983 |
Clear impact resistant thermoplastic star-block copolymers |
February 3, 1981 |
| The preparation of a branched, radial block copolymer having improved falling weight impact properties, especially at temperatures from room temperature to -40.degree. C. is described. |
| 4248982 |
Clear impact resistant thermoplastic star-block copolymers |
February 3, 1981 |
| The preparation of a branched, radial block copolymer having improved falling weight impact properties, and having trimodal distribution of molecular structure in the arms of the block copolymer is described. |
| 4248981 |
Clear impact resistant thermoplastic star-block copolymers |
February 3, 1981 |
| The preparation of a branched, radial block copolymer having improved falling weight impact properties, and having trimodal distribution of molecular structure in the arms of the block copolymer is described. |
| 4248980 |
Clear impact resistant thermoplastic star-block copolymers |
February 3, 1981 |
| The preparation of a branched, radial block copolymer having improved falling weight impact properties, and having monomodal distribution of molecular structure in the arms of the block copolymer is described. |
| 4221884 |
Clear impact resistant thermoplastic star-block copolymers |
September 9, 1980 |
| The preparation of a branched, radial block copolymer having improved falling weight impact properties, especially at temperatures from room temperature to -40.degree. C., and having bimodal distribution of molecular structure in the arms of the block copolymer is described. |
| 4180530 |
Clear impact resistant thermoplastic star-block copolymers |
December 25, 1979 |
| The preparation of a branched, radial block copolymer having improved falling weight impact properties, especially at temperatures from room temperature to -40.degree. C. is described. |
| 4108945 |
Star polymers and process for the preparation thereof |
August 22, 1978 |
| Disclosed is a series of star polymer products having at least three polymeric arms which radiate from a nucleus having at least two molecules of a linking compound. The polymeric arms may be copolymers of conjugated dienes and monovinyl aromatic compounds and/or homopolymers of either |
| 3985830 |
Star polymers and process for the preparation thereof |
October 12, 1976 |
| Disclosed is a series of star polymer products having at least three polymeric arms which radiate from a nucleus having at least two molecules of a linking compound. The polymeric arms may be copolymers of conjugated dienes and monovinyl aromatic compounds and/or homopolymers of either |
