Recycling of flexible polyurethane foam scrap

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Process of treating scrap or waste product containing solid...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

521 49, 521137, C08G 1802, C08J 916, C08J 936

Patent

active

044515839

ABSTRACT:
A reaction mixture containing comminuted, flexible polyurethane foam scrap is used in making new flexible polyurethane foam. The process achieves a highly satisfactory utilization of foam scrap, while providing a quality foam product.

REFERENCES:
patent: 2742440 (1956-04-01), Stott et al.
patent: 2853742 (1958-09-01), Dasher
patent: 3298976 (1967-01-01), Reinhart
patent: 3300417 (1967-01-01), McElroy
patent: 3326861 (1967-06-01), Sandridge
patent: 3344212 (1967-09-01), Francis
patent: 3404103 (1968-10-01), Matsudaira et al.
patent: 3441523 (1969-04-01), Dwyer et al.
patent: 3517414 (1970-06-01), Carson, Jr.
patent: 3531562 (1970-09-01), Serrano et al.
patent: 3607999 (1971-09-01), Corbett et al.
patent: 3649920 (1972-02-01), Cear
patent: 3708440 (1973-01-01), Frulla et al.
patent: 3888806 (1975-06-01), Kropscoti
patent: 3928253 (1975-12-01), Thornton et al.
patent: 3983087 (1976-09-01), Tucker et al.
patent: 4067831 (1978-01-01), Wasilczyk
patent: 4108791 (1978-08-01), Wasilczyk
patent: 4115298 (1978-09-01), Schneider et al.
patent: 4123584 (1978-10-01), Brewton
patent: 4138374 (1979-02-01), Currie
patent: 4143001 (1979-03-01), Raab et al.
patent: 4159972 (1979-07-01), Braslaw et al.
patent: 4162995 (1979-07-01), Sheratte
patent: 4212774 (1980-07-01), Idel
patent: 4217422 (1980-08-01), Wasilczyk
patent: 4243560 (1981-01-01), Balestrini
patent: 4250222 (1981-02-01), Mavel et al.
patent: 4267078 (1981-05-01), Lidy et al.
Ferrigno, "Rigid Plastic Forms", Reinhold Publishing Co., N.Y., 1963, pp. 38-42.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Recycling of flexible polyurethane foam scrap does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Recycling of flexible polyurethane foam scrap, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Recycling of flexible polyurethane foam scrap will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1398123

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.