Claims
- 1. A stilbazolium salt having the formula ##STR4## wherein each R.sup.1 is independently hydrogen or deuterium, R.sup.2 is HO--, H.sub.3 CO-- or (R.sup.3).sub.2 N-- and each R.sup.3 is independently an aliphatic, alicyclic or aromatic radical.
- 2. A stilbazolium salt in accordance with claim 1, wherein each R.sup.3 is independently
- (i) --CH.sub.3,
- (ii) --CDH.sub.2,
- (iii) --CD.sub.2 H or
- (iv) CD.sub.3.
- 3. A stilbazolium salt in accordance with claim 1, wherein said salt is 4'-dimethylamino-N-methylstilbazolium cyclopentanesulfonate and has the formula ##STR5##
Government Interests
The following invention was made with government support via contact number F49620-91-C-0075 which was awarded by the United States Air Force. The government has certain rights in this invention.
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Date |
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5094553 |
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Mar 1992 |
|
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Mar 1993 |
|
Non-Patent Literature Citations (1)
Entry |
Marder et al., Science, vol. 246, "Synthesis of Organic Salts with Large Second-Order Optical Nonlinearities", pp. 626-628, Aug. 1989. |