Non-aqueous controlled release insect repellent and insecticide

Details Non-aqueous controlled release insect repellent and insecticide Non-aqueous controlled release insect repellent and insecticide

1996-02-29

1998-01-06

Webman, Edward J.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Biocides; animal or insect repellents or attractants

424486, 424DIG5, 424DIG10, 514944, 514919, 523122, A01N 2504, A01N 2510, A61K 910, A61K 4732

Patent

active

057051755

ABSTRACT:
Controlled release insect repellent or insecticide based on a non-aqueous gel composition comprising from about 1 to about 20 weight percent of one or more diblock, triblock, radial block and/or multiblock copolymers, or a mixture thereof, based on synthetic thermoplastic rubbers. The ratio of the diblock copolymer to triblock, radial block and/or multiblock copolymer can be varied from about 0 percent to about 100 percent in either direction. The higher the tri-block percentage, the stiffer the resultant gel. The material to be gelled is a hydrocarbon which based on its physical properties plays an important role in setting the controlled release rate. The composition of the hydrocarbon can vary in carbon chain length from an average of about C-13 to about C-30 and can vary in vapor pressure from about 2.3 mm Hg at 20.degree. C. to less than about 0.1 mm Hg at 20.degree. C. The hydrocarbon range on a weight basis is from about 65 to about 95 percent of the total weight of the gelled composition. The controlled release agent or active agent may comprise from about 0.1 to about 30 percent of the gel on a weight basis.

REFERENCES:
patent: 3857805 (1974-12-01), Prickril
patent: 4369284 (1983-01-01), Chen
patent: 4469613 (1984-09-01), Munteanu et al.
patent: 4812309 (1989-03-01), Ong
patent: 4906488 (1990-03-01), Pera
patent: 5132355 (1992-07-01), Nahlovsky
patent: 5150722 (1992-09-01), Rutherford
patent: 5208038 (1993-05-01), Gressani et al.
patent: 5221534 (1993-06-01), DesLauriers et al.
patent: 5316744 (1994-05-01), Haehn et al.
patent: 5578089 (1996-11-01), Elsamaloty
Patent Abstracts of Japan, vol. 10, No. 276 (C-373), Sep. 10, 1998 and JP 61 098780 (Mitsui Petrochem Ind. Ltd, May 17, 1986.

Affiliated with

Also associated with

Rating

Non-aqueous controlled release insect repellent and insecticide does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Non-aqueous controlled release insect repellent and insecticide , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Non-aqueous controlled release insect repellent and insecticide will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2326658