David B. Ledford

Person

Arden, NC, US

People

Patents Grantslast 30 patents

Information Patent Grant
Methods of making pigmented filaments
- Patent number 6,416,859
- Issue date Jul 9, 2002
- BASF Corporation
- Donald Caswell
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Dispersible additive systems for polymeric materials, and methods o...
- Patent number 6,232,371
- Issue date May 15, 2001
- BASF Corporation
- Donald Caswell
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Additive-containing synthetic filaments, and yarns and carpets incl...
- Patent number 5,834,089
- Issue date Nov 10, 1998
- BASF Corporation
- Frank R. Jones
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Methods of making different additive-containing filaments
- Patent number 5,833,893
- Issue date Nov 10, 1998
- BASF Corporation
- Frank R. Jones
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Methods of making pigmented synthetic filaments
- Patent number 5,800,746
- Issue date Sep 1, 1998
- BASF Corporation
- Frank R. Jones
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Laboratory device to assist in the simulation of synthetic fiber he...
- Patent number 5,664,455
- Issue date Sep 9, 1997
- BASF Corporation
- Ann S. Johnson
- D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING

David B. Ledford

Person

Patents Grantslast 30 patents

Methods of making pigmented filaments

Dispersible additive systems for polymeric materials, and methods o...

Additive-containing synthetic filaments, and yarns and carpets incl...

Methods of making different additive-containing filaments

Methods of making pigmented synthetic filaments

Laboratory device to assist in the simulation of synthetic fiber he...