Water-insoluble hydrogel and method for production thereof by us

Details Water-insoluble hydrogel and method for production thereof by us Water-insoluble hydrogel and method for production thereof by us

1989-09-20

1992-04-21

McCamish, Marion E.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

522 86, 521 505, 521 52, C08F 246, C08J 938

Patent

active

051068761

ABSTRACT:
A water-isoluble hydrogel, obtained by cross-linking a polyvinyl alcohol by itself, a polyvinyl pyrrolidone by itself, and a polyvinyl alcohol and a polyvinyl pyrrolidone as a pair by exposure to radiation to a cross-linking degree enough for occlusion therein of 50 to 99% by weight of water and they freezing and thawing the product of said cross-linking, production thereof, and an untrasonic transmission medium using the hydrogel.

REFERENCES:
patent: 4025391 (1977-05-01), Kawashima et al.
patent: 4734097 (1988-03-01), Tanabe et al.

Affiliated with

Also associated with

Rating

Water-insoluble hydrogel and method for production thereof by us does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Water-insoluble hydrogel and method for production thereof by us, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Water-insoluble hydrogel and method for production thereof by us will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1586579