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US3905798A Expired / Lapsed US ⏱️ 0.0 years remaining

Plant growth regulators

Assignee: BASF SE
•
Filing: 1973-02-01
•
Granted: 1975-09-16
•
Expires: 1993-02-01
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Abstract

Abstract New and valuable agents containing nitrogenous salts for regulating plant growth.

Inventors

  • 👤 Bernd Zeeh
  • 👤 Johann Jung
  • 👤 Costin Rentzea
  • 👤 Karl-Heinz Koenig

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 02:58
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/02

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 51 words
A PROCESS FOR STUNTING CROP PLANT GROWTH WHICH COMPRISES APPLYING TO THE HOST SOIL FOR SAID CROP PLANTS TO PLANT GROWTH STUNTING AMOUNT IN THE RANGE OF 0.5 TO 8 KG. PER HECTARE OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF 1,1-DIMETHYL3,4-DEHYDROPIPERDINIUM BROMIDE, 4-CHLORO-1,1-DIMETHYLPIPERIDINIUM BROMIDE, 1,1-DIMETHYLHEXAHYDROPYRIDAZINIUM BROMINE, AND 1,1-DIMETHYLPIPERIDINIUM CHLORIDE.
Claim 2
Dependent Claim 51 words
A PROCESS FOR STUNTING CROP PLANT GROWTH WHICH COMPRISES APPLYING TO THE HOST SOIL FOR SAID CROP PLANTS TO PLANT GROWTH STUNTING AMOUNT IN THE RANGE OF 0.5 TO 8 KG. PER HECTARE OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF 1,1-DIMETHYL3,4-DEHYDROPIPERDINIUM BROMIDE, 4-CHLORO-1,1-DIMETHYLPIPERIDINIUM BROMIDE, 1,1-DIMETHYLHEXAHYDROPYRIDAZINIUM BROMINE, AND 1,1-DIMETHYLPIPERIDINIUM CHLORIDE.
Claim 3
Dependent Claim 48 words
A process for stunting crop plant growth which comprises applying to the crop plants themselves a plant growth stunting amount in the range of 0.5 to 8 kg. per hectare of a member selected from the group consisting of 1,1-dimethyl-3,4-dehydropiperidinium bromide, 4-chloro-1,1-dimethylpiperidinium bromide, 1,1-dimethylhexahydropyridazinium bromide, and 1,1-dimethylpiperidinium chloride.
Claim 4
Dependent Claim 48 words
A process for stunting crop plant growth which comprises applying to the crop plants themselves a plant growth stunting amount in the range of 0.5 to 8 kg. per hectare of a member selected from the group consisting of 1,1-dimethyl-3,4-dehydropiperidinium bromide, 4-chloro-1,1-dimethylpiperidinium bromide, 1,1-dimethylhexahydropyridazinium bromide, and 1,1-dimethylpiperidinium chloride.

References Cited (Backward Citations)

US3402039A Cited
US3736121A Cited
US3804612A Cited
US3802862A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-09-15 1979-03-17 1979-09-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-09-15 1983-03-17 1983-09-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-09-15 1987-03-17 1987-09-16 $7700.00 Window Closed / Lapsed

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