Papermaking additive

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

5263182, 5263073, C08F22602, C08F22603

Patent

active

047177586

ABSTRACT:
A papermaking additive useful for papermaking in a neutral to alkaline pH region which comprises a water-soluble copolymer comprising (a) 1 to 20 mole % of dimethylaminopropyl (meth)acrylamide or its quaternized product, (b) 0.1 to 12 mole % of itaconic acid or its salt, and (c) 98.9 to 68 mole % of acrylamide, the (b)/(a) mole ratio being from 0.1 to 0.6.

REFERENCES:
patent: 3043822 (1962-07-01), Maeder
patent: 3776892 (1973-12-01), Bleyle
patent: 3957710 (1976-05-01), Rohmann et al.
patent: 4218554 (1980-08-01), Foley, Jr.
patent: 4271058 (1981-06-01), Trabitzsch et al.
patent: 4314044 (1982-02-01), Hughes et al.

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

Papermaking additive does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Papermaking additive, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Papermaking additive will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-9471

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