included in this volume.) The results underpinning the majority of recent EIA type studies languish in a no- man's-land of files or reports either too remote, or of too restricted a circulation, to reach the general scientific

Marine Pollution Bulletin

public. The publication of volumes of this type helps alleviate the problem a little, and also provides a practical illustration of the more general utility of data obtained from local monitoring surveys.

T. H. P E A R S O N

MarinePollutionBulletin, Vol. 15, No. 3, pp. 120-122,1984 Pergamon Press Ltd. Printed in Great Britain

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This Section contains abstracts and, where appropriate, illustrations of recently issued United States patents and published patent applications filed from over 30 countries under the Patent Cooperation Treaty. This information was obtained from recent additions to the Pergamon PATSEARCH ® online database in accordance with interest profiles developed by the Editors. Further information about Pergamon PATSEARCH ® can be obtained from Pergamon International Information Corporation, 1340 Old Chain Bridge Road, McLean, Virginia 22101 U.S.A.

Copies of complete patents announced in this Section are available from Pergamon International Information Corporation for $8 per copy. Payment with order is required. Orders outside North America add $2 for air postage. Order by patent number from Pergamon International only.

4416565

METHOD AND COLUMN FOR COLLECTION AND SEPARATION OF OIL, GAS AND WATER FROM

BLOWING WELLS AT THE SEA BED

Ole C Ostlund, Stavanger, Norway

(" / ,

Method by collection and separation of oil, gas and water from an offshore oil/gas well (2) and a column (1) for usage by the same. The column (1) comprising a vertically arranged tube (3) with a lower end (8) resting on the sea bed (14) and an upper closed end (9) from which gas may be dis- charged by gas outlet means (6). Oil-gas mixture flowing out of a well head (22) in operation of the column (1) will be retarded by an oil column (10) in the tube (3), thereby releasing gas which is col- lected in the upper portion (11) of the column. Motion of the oil at the surface of the oil column (10) will be very small, oil thereby flowing over an overflow rim (15) into an overflow channel (26), from where oil is transferred to the sea sur- face by oil outlet means (7). The motion of the mixture may be additionally dampened by hori- zontal webs. The column (1) may be operated at sea depths more than 300 meters and at shallow

water where the column may be constructed as part of a platform.

4414333

COMPOSITIONS FOR DEPOLLUTING FRESH WATER

AND SALT WATER BODIES

Roberto Olivieri, Andrea Robertiello, Ludwig Degen, Mentana, Italy assigned to Snamprogetti S p A

'ot F

Compositions are disclosed, which are adapted to depollute fresh and sea water bodies from crude oil and petroleum product pollution by microbial action. The growth of micro- organisms capable of metabolizing hydro- carbons is exalted by certain combination of nutrients, such as lecithin as a phosphorus source, hydantoins, amides allophanates, poly-

Volume 15/Number 3/March 1984

amines, acyl-ureas and esters of the hydantoic and allantoic acids as the nitrogen sources. Ureido-derivatives of amides are also con- templated as additional nutrients.

4414183

PHENOLIC CHELATE RESIN, PROCESS FOR PRODUCING THE

SAME, AND METHOD OF RECOVERING HEAVY METAL

IONS WITH THE SAME

Akio Sasaki, Yoshiak Echigo, Jyoyo, Japan as- signed to Unitika Ltd

The phenolic chelate resin has a chelate-forming group wherein part or all of the hydrogen atoms in a primary and/or secondary alkylamino group introduced in a phenol nucleus are replaced by a methylenephosphonate group. Also disclosed is a process for producing such a chelate resin, and a method for recovering heavy metal ions with such a resin. The resin has particularly high selectivity for adsorbing uranium ions, as well as high heat, acid and alkali resistance as well as dimensional stability. The resin is very effective for recovering uranium from various uranium- containing solutions such as sea water, crude phosphoric acid fertilizer solutions, low-grade uranium ore, waste water from uranium re- fining, and uranium mine water.

4410426

BEACH CLEANING METHOD AND APPARATUS THEREFOR

Charles Cloutier

iz

Apparatus for separating oil and other float- atable debris from the sand on a beach by loca- lized flooding of the beach is disclosed. Suitable large diameter conduits are provided to in- troduce large quantities of water to a selected

area of the beach, the water mixing with the sand and causing oil and other debris on or buried in the sand to float, and thus to rise toward the sur- face of the sand. A second flooding operation refloats the debris and a skimmer mechanism then removes the floating oil and other material while allowing the water to return to the beach area. The water supply is provided by means of suitable conduits carried by a truck, tractor, or other beach vehicle. In the preferred embodi- ment, the water required for flooding is obtained from the ocean by an extension of the supply conduits, with the forward motion of the tractor providing the required water flow through the conduits to the area to be cleaned. Alternatively, the desired water flow can be obtained by means of low lift pumps in the conduits, the pumps being hydraulically operated from the beach vehicle. The first flooding operation provides water to move the oil and other debris toward a center line, while the second provides water to re- float the material in the vicinity of the intake for the skimmer.

4404328

ORGANOMETALLIC POLYMER COMPOSITIONS USEFUL AS

CONSTITUENTS OF ANTI- FOULING PAINTS FOR MARINE

STRUCTURES AND THEIR METHODS OF MANUFACTURE

Francois Dawans, Marguerite Devaud, Denise Nicolas, Bougival, France assigned to Institut Francais du Petrole

Organo metallic polymer compositions useful as constituents of anti-fouling paints for marine structures, comprising a main chain consisting of a chlorinated polymer of a conjugated diene monomer such, for example, as a chlorinated polybutadiene of high l, 2 units content, and at least one grafted chain formed at least partly of recurrent units having a pendant organotin group or tin salt function, wherein the grafted chains also contain recurrent units derived from at least one hydrophilic non-metallic unsatu- rated organic monomer.

4401571

METHOD FOR REMOVING LIQUIDS FLOATING ON WATER

Karl F Ney, Wolfsthal A 2412, Austria

Method for removing a liquid floating on water, for example oil, particularly crude oil on sea

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