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US Patent 4341038 - Oil products from algae

US Patent Issued on July 27, 1982
Estimated Patent Expiration Date: Icon_subject July 2, 2000Estimated 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.
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Abstract

Oil products and a high nitrogen content residue are obtained by growing halophilic algae in saline solution, harvesting an algae-salt water slurry, solvent extracting said slurry, and recovering the product and residue. Use of a growth promoting enzyme, salt concentration gradients for harvesting, and water insoluble solvents at elevated temperatures are preferred.

Other References

  • High-Energy Chemicals Out of Thin Air, Science News, Weizmann Inst., Rehovot, Israel, Issue 12, Dec. 1975
  • Conversion of Halophilic . . . , Goldman et al., Fuel, vol. 59, Mar. 1980, IPC Sci. & Tech. Press, pp. 181-184

Inventors

Application

No. 06/165251 filed on 07/02/1980

US Classes:

47/1.4, ALGAE CULTURE568/869Of glycerol

Field of Search

47/1.4ALGAE CULTURE

Examiners

Primary: Bagwill, Robert E.

Attorney, Agent or Firm

US Patent References

4115949, Production of glycerol from algae
Issued on: 09/26/1978
Inventor: Avron ,   et al.
4199895Production of glycerol, carotenes and algae meal
Issued on: 04/29/1980
Inventor: Avron ,   et al.

International Classes

C12P 5/00 (20060101)
C12P 1/00 (20060101)
C12P 7/64 (20060101)
C12N 1/12 (20060101)

Foreign Application Priority Data

1979-07-03 IL

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