Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Polypropylene fibers having improved heat-shrinkability and tenacity










Image Number 2 for United States Patent #4560734.

Polypropylene fibers having a much improved percentage heat shrinkage and also an improved tenacity are provided, which fibers comprise a polypropylene resin having a density of 0.905 or more, an isotactic pentad ratio of boiling n-heptane-insoluble portion (P.sub.0) of 0.960 or more and a ratio of pentad having two different kinds of configurations (P.sub.2), of 0.002 (0.2%) or less.








 
 
  Recently Added Patents
Wind driven generator for vehicles
Method and device for managing devices in device management system
Method and apparatus for managing network traffic
Audio processing in a multi-participant conference
Prevention and treatment of osteoarthritis
Avalanche photodiodes having accurate and reproductible amplification layer
Selection of a suitable node to host a virtual machine in an environment containing a large number of nodes
  Randomly Featured Patents
Remote copy method and remote copy system
Method for producing concentrated food products with fractionation concentration
Dentifrice
Alarm system
Photosensitive resin composition for optical waveguide formation, optical waveguide and method for producing optical waveguide
Transfer member with a metallic luster pattern and method for manufacturing the same
Ultrasonic probe and method for operating the same
Engine timing control circuit having a single pick-up for both starting and running
MERIE plasma reactor with overhead RF electrode tuned to the plasma with arcing suppression
Therapeutic suppression of specific immune responses by administration of antigen-competitive conjugates.