Molding compositions

Patent 4329278 Issued on May 11, 1982. Estimated Expiration Date:

March 11, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

3780140

3873494

Polyvinyl chloride terpolymer powder coating composition
Patent #: 4046728
Issued on: 09/06/1977
Inventor: Harmuth

Plastics foil for the manufacture of audio-visual information carriers
Patent #: 4071490
Issued on: 01/31/1978
Inventor: Andrascheck , et al.

Polymeric composition comprising a halide polymer, an ethylene terpolymer and an alkyl acrylate copolymer
Patent #: 4123585
Issued on: 10/31/1978
Inventor: Sparzak , et al.

Vinyl chloride based injection molding composition
Patent #: 4129536
Issued on: 12/12/1978
Inventor: Martin , et al.

Molding composition
Patent #: 4151132
Issued on: 04/24/1979
Inventor: Khanna

PVC molding composition
Patent #: 4168256
Issued on: 09/18/1979
Inventor: Khanna

Conductive molding composition Patent #: 4228050
Issued on: 10/14/1980
Inventor: Martin , et al.

Inventor

Reardon, Joseph E.

Assignee

E. I. Du Pont de Nemours and Company

Application

No. 06/242585 filed on 03/11/1981

US Classes:

524/523, Solid polymer derived from carboxylic acid ester monomer524/524, Ester derived from an unsaturated alcohol and a saturated acid, e.g., vinyl acetate, etc.525/185, With additional solid polymer derived from at least one nonethylenic reactant525/190, At least one reactant which forms additional polymer contains a carboxylic acid or derivative525/451Solid polymer derived from carboxylic acid or derivative derived from ethylenically unsaturated reactant

Examiners

Primary: Lilling, Herbert J.

International Classes

C08K 3/00 (20060101)
C08L 27/06 (20060101)
C08L 27/00 (20060101)
C08K 3/04 (20060101)
C08L 73/00 (20060101)

Abstract

A blend of polyvinyl chloride, a methacrylate, acrylate or styrene polymer, selected ethylene terpolymers, and carbon black is useful to make polyvinyl chloride molded articles.