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4873727 Marine toilet deodorant dispenser
Marine Pollution Bulleti:
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 ORBIT Search Service, 8000 Westpark Drive, McLean, Virginia 22102 U.S.A. Copies of complete patents announced in this Section are available from ORBIT Search Service for $8 per copy. Payment with order is required. Orders outside North America add $2 for air postage. Order by patent number for ORBIT Search Service only.
4873727
MARINE
4874535
TOILET DEODORANT DISPENSER
SCALE
INHIBITORS
Ian C Callaghan, Ian Livsey, Wokingham, United Kingdom assigned to The Britisch Petroleum Company p 1 c
Donald A H o m a n A marine toilet deodorant dispenser having intake and discharge pipes for integration into the existing intake flushing line and having a threadedly connected to a cap portion carrying an anti-siphoning device for controlling the fluid during quiescent periods, the cap portion further housing a perforated plastic container or canister enclosing a solid block o f disinfectant deodorizer which chemically treats the flushing fluid for deodorizing the bowl of the waste disposal apparatus, accelerating the chemical break down of solid waste, reducing the precipitation and salt build up on plumbing fixtures, and filtering the flushing fluid, the plastic container or canister being conveniently replaceable.
A scale inhibiting composition comprises the combination of (a) a copolymer of an alkene, preferably a branched chain alkene, and an unsaturated dicarboxylic acid or anhydride, in acidic or neutralized form, and (b) an organic polyphosphonic acid or salt. A preferred composition contains the sodium salt o f a copolymer of isobutene and maleic anhydride and 1hydroxyethyl- 1,1-diphosphonic acid. The compositions may he used in secondary or tertiary oil recovery, desalination of sea water and the softening of boiler feed water.
For information about PATSEARCH ®
ORBIT Search Service 8000 Westpark Drive McLean, VA 22102 USA Telephone (703) 442-0900 Telex: 90-1811
214
ORBIT Search Service Achilles House Western Avenue London W3 0UA Telephone (01) 992-3456 Telex: 8814614
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 ORBIT Search Service, 8000 Westpark Drive, McLean, Virginia 22102 U.S.A. Copies of complete patents announced in this Section are available from ORBIT Search Service for $8 per copy. Payment with order is required. Orders outside North America add $2 for air postage. Order by patent number for ORBIT Search Service only.
4873727
MARINE
4874535
TOILET DEODORANT DISPENSER
SCALE
INHIBITORS
Ian C Callaghan, Ian Livsey, Wokingham, United Kingdom assigned to The Britisch Petroleum Company p 1 c
Donald A H o m a n A marine toilet deodorant dispenser having intake and discharge pipes for integration into the existing intake flushing line and having a threadedly connected to a cap portion carrying an anti-siphoning device for controlling the fluid during quiescent periods, the cap portion further housing a perforated plastic container or canister enclosing a solid block o f disinfectant deodorizer which chemically treats the flushing fluid for deodorizing the bowl of the waste disposal apparatus, accelerating the chemical break down of solid waste, reducing the precipitation and salt build up on plumbing fixtures, and filtering the flushing fluid, the plastic container or canister being conveniently replaceable.
A scale inhibiting composition comprises the combination of (a) a copolymer of an alkene, preferably a branched chain alkene, and an unsaturated dicarboxylic acid or anhydride, in acidic or neutralized form, and (b) an organic polyphosphonic acid or salt. A preferred composition contains the sodium salt o f a copolymer of isobutene and maleic anhydride and 1hydroxyethyl- 1,1-diphosphonic acid. The compositions may he used in secondary or tertiary oil recovery, desalination of sea water and the softening of boiler feed water.
For information about PATSEARCH ®
ORBIT Search Service 8000 Westpark Drive McLean, VA 22102 USA Telephone (703) 442-0900 Telex: 90-1811
214
ORBIT Search Service Achilles House Western Avenue London W3 0UA Telephone (01) 992-3456 Telex: 8814614