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Method of manufacturing polyamino acid with microwaves

  • US 4,696,981 A
  • Filed: 03/13/1986
  • Issued: 09/29/1987
  • Est. Priority Date: 03/25/1985
  • Status: Expired due to Fees
First Claim
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1. A method of manufacturing anhydropolyaspartic acid (imide) by irradiating with microwaves, any one member selected from the group consisting of monoammonium, diammonium, monoamide, diamide and monoamideammonium salts of malic acid, maleic acid fumaric acid and mixtures thereof.

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