U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Food and feedstuff

Patent 5346707 Issued on September 13, 1994. Estimated Expiration Date: Icon_subject January 29, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

1,3-Dithiolane compounds and method of preparation thereof
Patent #: 4075228
Issued on: 02/21/1978
Inventor: Gastrock ,   et al.

Therapeutic compositions comprising alpha-hydroxy analogs of essential amino acids and their administration to humans for promotion of protein synthesis and suppression of urea formation
Patent #: 4100160
Issued on: 07/11/1978
Inventor: Walser

Promotion of protein synthesis and suppression of urea formation in the body by keto analogs of essential amino acids
Patent #: 4100161
Issued on: 07/11/1978
Inventor: Walser

Treatment of hepatic disorders with therapeutic compositions comprising keto analogs of essential amino acids
Patent #: 4100293
Issued on: 07/11/1978
Inventor: Walser

Substituted tetrahydrobenzothiophenes and method of preparation thereof
Patent #: 4156670
Issued on: 05/29/1979
Inventor: Asato

Hydantoins as animal food supplements
Patent #: 4744990
Issued on: 05/17/1988
Inventor: Bragdon ,   et al.

Hydantoins as animal food supplements
Patent #: 4871552
Issued on: 10/03/1989
Inventor: Bragdon ,   et al.

Triglyercide nutrient for humans and animals
Patent #: 5093044
Issued on: 03/03/1992
Inventor: Wretlind, et al.

Food and feedstuff Patent #: 5183674
Issued on: 02/02/1993
Inventor: Olin

Inventor

Application

No. 010792 filed on 01/29/1993

US Classes:

426/69, CONTAINING NON-PROTEINACEOUS NITROGEN SOURCE CONVERTIBLE TO AVAILABLE NITROGEN OR PROCESS OF PREPARATION426/656, Protein, amino acid, or yeast containing426/807POULTRY OR RUMINANT FEED

Examiners

Primary: Ball, Michael W.
Assistant: Stemmer, Daniel

Attorney, Agent or Firm

International Class

A23K 001/00

Foreign Application Priority Data

1988-12-02 SE

Abstract

The present invention relates to a process for reducing the excretion of nitrogen from humans and animals while maintaining formation of proteins, as well as a food and feedstuff for humans and animals comprising keto acids, whereby ingoing protein is replaced by alpha ketoglutaric acid; a combination of alpha keto glutaric acid and pyruvic acid; oxaloacetate or oxaloacetate in combination with alpha keto glutaric acid or pyruvate or another keto acid according to the formula R-CO-COOX, wherein R denotes a part of a non-essential amino acid and X denotes hydrogen, alkali metal, alkaline earth metal or organic base or non-toxic precursors or intermediates of these, whereby the keto acid (-s) is (are) present in an amount of 1 to 20% by weight, preferably 1-10% by weight of the protein dry matter present.

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