# US 5,706,759 A · Process for determining excitants, attractants and stimulants for members of the procambrus clarkII species of the class crustacea, and method for exciting and/or attracting and/or stimulating members of the procambrus clarkII species of the class crustac

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- Number: US 5,706,759 A
- Document ID: US5706759A
- Status: Granted
- Kind: A
- Application number: 08/535,737
- Filed: 1995-09-28
- Granted: 1998-01-13
- Earliest claimed: 1994-07-22
- Assignees: International Flavors & Fragrances Inc.; Board of Regents, The University of Texas System
- Inventors: Alan Owen Pittet; Phillip G. Lee; Jennifer C. Ellis; Elizabeth A. McCliment
- Web page: https://patentgrep.com/patent/US5706759A

## CPC

- A01K 29/005: {Monitoring or measuring activity}
- A01K 61/59: of crustaceans, e.g. lobsters or shrimps
- A23K 20/105: Aliphatic or alicyclic compounds
- A23K 20/116: Heterocyclic compounds
- A23K 20/163: Sugars; Polysaccharides
- Y02A 40/81: Aquaculture, e.g. of fish
- A01K: ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A23K: FODDER
- Y02A: TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE

## Abstract

Described is a process for determining excitants, attractants and incitants for members of the Procambrus clarkii species of the Class Crustacea. Also described is a method for exciting and/or attracting and/or stimulating members of the Procambrus clarkii species of the Class Crustacea using various solutions of molecules including but not limited to N-acetyl-D-Glucosamine which is an epimeric mixture of isomers having the structures: ##STR1##

## Claims

### Claim 1

A process for exciting and/or attracting and/or stimulating a member of the Procambrus clarkii species of the Class Crustacea within a body of water comprising the step of applying an aqueous solution containing a Crustacea-attracting, stimulating and/or exciting concentration of a material selected from the group consisting of:
(i) N-acetyl-D-Glucosamine, an epimeric mixture of compounds having the structures: ##STR18## (ii) trimethyl amine oxide hydrate having the structure: ##STR19## (iii) "raw sugar", a mixture of sucrose and impurities to the vicinity of said desired surface or volume.

### Claim 2 (depends on 1)

The process of claim 1 wherein the Crustacean-exciting, attracting and/or stimulating material is N-acetyl-D-Glucosamine, an epimeric mixture of compounds having the structures: ##STR20##

### Claim 3 (depends on 1)

The process of claim 1 wherein the Crustacean-exciting, attracting and/or stimulating material is trimethyl amine oxide hydrate having the structure: ##STR21##

### Claim 4 (depends on 1)

The process of claim 1 wherein the Crustacean-exciting, attracting and/or stimulating material is Osceola Brown Sugar.

### Claim 5 (depends on 1)

The process of claim 1 wherein the concentration of attracting, stimulating and/or exciting substance in water is in the range of from about 10.sup.-6 down to about 10.sup.-12 gram moles per liter.

### Claim 6

A process for attracting a member of the Procambrus clarkii species of the Class Crustacea from a volume of water inhabited by said member of the Procambrus clarkii species of the Class Crustacea to a desired surface or volume within a body of water comprising the step of applying an aqueous solution containing a Crustacea-attracting concentration of material selected from the group consisting of:
(i) N-acetyl-D-Glucosamine, an epimeric mixture of compounds having the structures: ##STR22## (ii) trimethyl amine oxide hydrate having the structure: ##STR23## (iii) "raw sugar", a mixture of sucrose and impurities to the vicinity of said desired surface or volume.

### Claim 7

The process of claim wherein the Crustacean-attracting material is N-acetyl-D-Glucosamine, an epimeric mixture of compounds having the structures: ##STR24##

### Claim 8 (depends on 6)

The process of claim 6 wherein the Crustacean-attracting material is trimethyl amine oxide hydrate having the structure: ##STR25##

### Claim 9 (depends on 6)

The process of claim 6 wherein the Crustacean-attracting material is Osceola Brown Sugar.

### Claim 10 (depends on 6)

The process of claim 6 wherein the concentration of attracting substance is in the range of from about 10.sup.-6 down to about 10.sup.-12 gram moles per liter.